{"product_id":"citizen-nk0030-51x-tsuyosa-mechanical-unisex-watch","title":"CITIZEN NK0030-51X TSUYOSA MECHANICAL UNISEX WATCH","description":"\u003c!--\n  CITY CHAIN SINGAPORE — SHOPIFY PRODUCT DESCRIPTION (cc-pdp)\n  CITIZEN NK0030-51X TSUYOSA MECHANICAL MEN WATCH\n\n  BUILT AGAINST: Citizen Singapore's spec sheet\n  https:\/\/citizen.com.sg\/product\/nk0030-51x\/ — note Citizen SG's page\n  returned only partial data in this research pass (category tags\n  \"Tsuyosa 60\", \"21 Jewels\", and a dual price, but not the full spec\n  table). Spec below is assembled from Notebookcheck's dedicated\n  launch article plus multiple Singapore retailers, with conflicts\n  flagged rather than smoothed over.\n\n  PAGE TITLE (Shopify SEO title field):\n  Citizen NK0030-51X Tsuyosa 60 Mini Mint Green Guilloché | City Chain\n\n  META DESCRIPTION (Shopify SEO description field):\n  Citizen NK0030-51X Tsuyosa 60: 37mm mint green guilloché dial, Calibre 8310, 60-hour reserve, hacking seconds, sapphire, exhibition caseback.\n\n  ============================================================\n  DIAL COLOUR — RESOLVED BY PRODUCT PHOTOGRAPHY: PALE MINT GREEN.\n  Confirmed directly from the product image. The dial is a light,\n  soft mint\/seafoam green — noticeably PALER than either term the\n  sources used. Notebookcheck and an eBay listing both said \"teal\"\n  (too blue and too dark); City Chain's own copy said \"green\" and\n  built a positioning argument around it being a deep, warm,\n  trend-driven green (too saturated). Neither was right.\n\n  This is now the THIRD colour call in this project where sources\n  agreed with each other and were still wrong or imprecise (after\n  the EM1220-58X purple and EM1220-58Y mint green corrections).\n  Standing lesson reinforced: for dial colour specifically, source\n  agreement is weak evidence. Photography is the only reliable\n  arbiter, and pale\/pastel shades in particular get flattened into\n  generic colour names by retail copy.\n\n  COPY CONSEQUENCES OF THE CORRECTION — changes made beyond the\n  colour word itself:\n  - Removed City Chain's \"green is the strongest colour trend in\n    men's watchmaking\" framing. That argument is about deep forest\/\n    olive greens; it does not describe a pale mint dial and would\n    set the wrong expectation.\n  - Removed the \"pairs well with earth tones, navy, grey, olive\"\n    styling line, which suits a dark green dial. A pale mint reads\n    lighter, fresher and more spring\/summer — Best Matched With\n    updated accordingly.\n  - Adjusted the guilloché description: on a pale dial the texture\n    reads as fine light-and-shadow relief rather than the dramatic\n    contrast a dark dial produces. The image shows the pattern\n    clearly and finely defined.\n  - Repositioned toward the \"unisex\" framing several retailers\n    already used — a 37mm case with a pale mint dial genuinely\n    supports that better than a dark green would.\n  ============================================================\n\n  FLAG 2 — ONE RETAILER HAS STALE MOVEMENT DATA. Vincent Watch (an\n  authorised Singapore Citizen retailer) lists this SKU with Caliber\n  8210, 21 jewels, \"approx. 40 hours\" power reserve, and 11.7mm\n  thickness. Every other source — Notebookcheck's launch article,\n  City Chain, Watch Club, StrapSeeker, Skywatches — confirms Caliber\n  8310 with a 60-HOUR power reserve and 11.5mm thickness. Caliber\n  8210\/40 hours is the OLD standard Tsuyosa specification, built\n  earlier in this project on the NJ0210 and Tsuyosa Shore families.\n  Vincent Watch's data appears to be carried over from the previous\n  generation. Excluded entirely. The 60-hour reserve is the headline\n  upgrade of the \"Tsuyosa 60\" generation and must not be understated.\n\n  FLAG 3 — CITY CHAIN'S OWN PAGE MAY BE MIS-FILED. The City Chain\n  listing found for this content sits at the URL\n  ...\/citizen-nk0030-51e-tsuyosa-mechanical-men-watch (i.e. the 51E\n  black-dial SKU's URL), yet its body copy explicitly describes \"The\n  NK0030-51X\" as the green-dial edition and compares it to \"the\n  black-dial 51E.\" Either the 51E page contains 51X copy, or the two\n  pages have been swapped. Worth checking both live pages before\n  publishing either.\n\n  PRICE: Citizen SG's own page shows the familiar dual-price glitch\n  ($773.90 and $795.70). City Chain's copy references $730 for this\n  SKU, and states there is \"no premium for the colour\" versus the\n  black version. Confirm against City Chain's live product page —\n  and note Flag 3 above, since the $730 figure appears on a\n  possibly-mis-filed page.\n\n  ============================================================\n  THIS IS THE \"TSUYOSA 60\" GENERATION — A GENUINE UPGRADE, NOT A\n  COLOURWAY REFRESH. Distinct from the standard Tsuyosa and the\n  Tsuyosa Shore family built earlier in this project. The upgrades,\n  confirmed across Notebookcheck and multiple retailers:\n  - CALIBRE 8310 replacing 8210 — 60-hour power reserve (vs 40),\n    with hacking seconds AND hand-winding.\n  - DECORATED MOVEMENT visible through the exhibition caseback:\n    rhodium-plated bridges, openworked rotor, blue-coloured screws,\n    striped decoration on the main bridge (City Chain's own detailed\n    copy — a genuinely strong differentiator).\n  - 5-LINK JUBILEE-STYLE BRACELET with concealed butterfly clasp,\n    replacing the standard Tsuyosa's 3-link bracelet.\n  - GUILLOCHÉ dial texture — an engine-turned decorative pattern\n    adding depth without relying on colour.\n  - 37mm CASE — Notebookcheck notes this \"fills a gap that's been\n    missing from the Tsuyosa lineup for a while,\" since most\n    references sit at 40mm. Genuinely one of the slimmer and smaller\n    Tsuyosa options to date.\n\n  SIBLING SKUs: NK0030-51E (black dial, same 37mm case), NK0032-56A \/\n  NK0022-50A (gold-tone, white guilloché dial — note Notebookcheck\n  gives 40mm for the NK0022-50A, so the gold model may be the larger\n  case; not resolved, not needed for this build).\n\n  CONFIRMED ACROSS MULTIPLE INDEPENDENT SOURCES (Notebookcheck launch\n  article, City Chain, Watch Club Singapore, StrapSeeker, Skywatches,\n  eBay listing):\n  - Calibre 8310 in-house automatic, 60-hour power reserve, hacking\n    seconds, hand-winding.\n  - 37mm case, 11.5mm thickness, TONNEAU-shaped (Watch Club,\n    StrapSeeker both specify tonneau).\n  - Sapphire crystal, transparent\/exhibition caseback.\n  - Magnified date window; applied hour markers \/ baton indexes;\n    luminous hands and indices.\n  - 50m (5-bar) water resistance.\n  - Integrated 5-link Jubilee-style stainless steel bracelet with\n    concealed butterfly clasp.\n  - Described by two retailers as UNISEX given the 37mm sizing.\n\n  VERIFY BEFORE PUBLISH:\n  1. CITY CHAIN PAGE MIS-FILING — see Flag 3.\n  2. PRICE — see note above.\n  3. WARRANTY TERM. No SKU-specific confirmation beyond the standard\n     3-year City Chain figure used throughout these builds.\n  (Dial colour is now resolved — see the corrected note above.)\n\n  Accent colour: a soft mint green (#7FC4AE), matched to the dial's\n  actual pale seafoam tone as shown in the product photography —\n  replacing the darker green-teal used in the first draft.\n--\u003e\n\n\u003cstyle\u003e\n  .cc-pdp { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a1a1a; line-height: 1.7; }\n  .cc-pdp *, .cc-pdp *::before, .cc-pdp *::after { box-sizing: border-box; }\n  .cc-section { margin: 32px 0; padding: 0; }\n  .cc-section + .cc-section { border-top: 1px solid #e8e8e8; padding-top: 28px; }\n  .cc-pdp h2 { font-size: 11px !important; font-weight: 600 !important; letter-spacing: 0.14em !important; text-transform: uppercase !important; color: #7FC4AE !important; margin: 0 0 14px 0 !important; padding: 0 !important; border: none !important; }\n  .cc-pdp p { font-size: 14.5px; color: #555; margin: 0 0 12px 0; }\n  .cc-glance { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; list-style: none; padding: 0; margin: 0; }\n  @media (min-width: 600px) { .cc-glance { grid-template-columns: repeat(3, 1fr); } }\n  .cc-glance li { background: #eff7f4; border-radius: 6px; padding: 12px 14px; font-size: 13.5px; color: #555; margin: 0; }\n  .cc-glance li strong { display: block; font-size: 10px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: #3d7a68; margin-bottom: 3px; }\n  .cc-benefits { list-style: none; padding: 0; margin: 0; }\n  .cc-benefits li { position: relative; padding-left: 18px; font-size: 14.5px; color: #555; margin: 0 0 10px 0; line-height: 1.6; }\n  .cc-benefits li::before { content: ''; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: #7FC4AE; }\n  .cc-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }\n  .cc-tags li { background: #fff; border: 1px solid #e8e8e8; border-radius: 20px; padding: 7px 16px; font-size: 13px; color: #555; margin: 0; }\n  .cc-tags--dark li { background: #3d7a68; border-color: #3d7a68; color: #fff; }\n  .cc-spec-summary { background: #eff7f4; border-radius: 6px; padding: 20px 22px; font-size: 14px; color: #555; line-height: 1.75; margin: 0 0 20px 0; }\n  .cc-spec-table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }\n  .cc-spec-table caption { text-align: left; font-size: 14px; font-weight: 600; color: #3d7a68; padding: 16px 0 8px 0; }\n  .cc-spec-table tr { border-bottom: 1px solid #e8e8e8; }\n  .cc-spec-table td { padding: 10px 0; font-size: 13.5px; vertical-align: top; }\n  .cc-spec-table td:first-child { color: #555; width: 42%; padding-right: 12px; }\n  .cc-spec-table td:last-child { color: #1a1a1a; font-weight: 500; }\n  .cc-faq { border-top: 1px solid #e8e8e8; }\n  .cc-faq-item { border-bottom: 1px solid #e8e8e8; padding: 16px 0; }\n  .cc-faq-q { font-size: 14.5px; font-weight: 600; color: #3d7a68; margin: 0 0 8px 0; }\n  .cc-faq-a { font-size: 14px; color: #555; line-height: 1.7; margin: 0; }\n  .cc-trust { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; list-style: none; padding: 0; margin: 0; }\n  @media (min-width: 600px) { .cc-trust { grid-template-columns: repeat(4, 1fr); } }\n  .cc-trust li { text-align: center; padding: 20px 10px; background: #fff; border: 1px solid #e8e8e8; border-radius: 6px; margin: 0; }\n  .cc-trust li strong { display: block; font-size: 13.5px; color: #3d7a68; margin-bottom: 4px; }\n  .cc-trust li span { font-size: 12px; color: #555; }\n\u003c\/style\u003e\n\n\u003cdiv class=\"cc-pdp\"\u003e\n\n  \u003c!-- PRODUCT OVERVIEW --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003cp\u003eThe \u003cstrong\u003eCitizen NK0030-51X\u003c\/strong\u003e is part of the \u003cstrong\u003eTsuyosa 60\u003c\/strong\u003e generation — a genuine mechanical upgrade to Citizen's integrated-bracelet automatic collection, not just a new colourway. The headline change is the new in-house \u003cstrong\u003eCalibre 8310\u003c\/strong\u003e, which extends the power reserve to \u003cstrong\u003e60 hours\u003c\/strong\u003e (up from 40) and adds both \u003cstrong\u003ehacking seconds\u003c\/strong\u003e and \u003cstrong\u003ehand-winding\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003cp\u003eThe dial is finished with a \u003cstrong\u003eguilloché pattern\u003c\/strong\u003e — a decorative engine-turned texture cut into the surface. Against the soft \u003cstrong\u003emint green\u003c\/strong\u003e dial, the pattern reads as fine light-and-shadow relief, catching light in a way that gives the pale colour real dimension rather than looking flat. The movement is visually upgraded to match: \u003cstrong\u003erhodium-plated bridges, an openworked rotor, blue-coloured screws, and striped decoration on the main bridge\u003c\/strong\u003e, all visible through the \u003cstrong\u003eexhibition caseback\u003c\/strong\u003e.\u003c\/p\u003e\n    \u003cp\u003eAt \u003cstrong\u003e37mm and 11.5mm thin\u003c\/strong\u003e, this is one of the smaller and slimmer Tsuyosa options to date — most of the family sits at 40mm, so this fills a genuine gap in the lineup and wears comfortably on smaller wrists. The \u003cstrong\u003e5-link Jubilee-style bracelet with concealed butterfly clasp\u003c\/strong\u003e is a significant step up from the standard Tsuyosa's 3-link design. \u003cstrong\u003eSapphire crystal\u003c\/strong\u003e with a magnified date window, luminous hands and indices, and \u003cstrong\u003e50m water resistance\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- AT A GLANCE --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eAt a Glance\u003c\/h2\u003e\n    \u003cul class=\"cc-glance\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003eCitizen\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCollection\u003c\/strong\u003eTsuyosa 60\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMovement\u003c\/strong\u003eCalibre 8310 Automatic\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePower Reserve\u003c\/strong\u003e60 Hours\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCase Size\u003c\/strong\u003e37mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e11.5mm\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCase Shape\u003c\/strong\u003eTonneau\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDial\u003c\/strong\u003eMint Green, Guilloché Texture\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGlass\u003c\/strong\u003eSapphire, Date Magnifier\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCaseback\u003c\/strong\u003eExhibition, Decorated Movement\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBracelet\u003c\/strong\u003e5-Link Jubilee-Style\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWater Resistance\u003c\/strong\u003e50m\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY YOU'LL LOVE IT --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eWhy You'll Love It\u003c\/h2\u003e\n    \u003cul class=\"cc-benefits\"\u003e\n      \u003cli\u003eThe new Calibre 8310 delivers a 60-hour power reserve — half again as long as the previous generation's 40 hours, so it comfortably survives a weekend off the wrist without stopping.\u003c\/li\u003e\n      \u003cli\u003eHacking seconds lets you stop the seconds hand to set the time precisely, and hand-winding means you can top up the reserve directly rather than waiting for wrist motion.\u003c\/li\u003e\n      \u003cli\u003eThe guilloché dial texture is a genuine decorative craft — an engine-turned pattern that catches light as fine relief across the surface, giving the pale mint dial real dimension rather than a flat wash of colour.\u003c\/li\u003e\n      \u003cli\u003eThe movement itself is decorated to be looked at: rhodium-plated bridges, an openworked rotor, blue-coloured screws and striped bridge finishing, all on display through the exhibition caseback.\u003c\/li\u003e\n      \u003cli\u003eAt 37mm and 11.5mm thin, this fills a real gap in the Tsuyosa lineup — most references sit at 40mm, making this one of the few genuinely compact options, and comfortable on smaller wrists.\u003c\/li\u003e\n      \u003cli\u003eThe 5-link Jubilee-style bracelet with concealed butterfly clasp is a meaningful upgrade over the standard Tsuyosa's 3-link design — suppler on the wrist and cleaner in appearance.\u003c\/li\u003e\n      \u003cli\u003eSapphire crystal with a magnified date window keeps the dial protected and genuinely readable at a glance.\u003c\/li\u003e\n      \u003cli\u003eThe soft mint green dial is a genuinely distinctive choice — light, fresh and unusual against the polished steel case, and a clear departure from the black and white dials that dominate this category.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- PERFECT FOR --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003ePerfect For\u003c\/h2\u003e\n    \u003cul class=\"cc-tags\"\u003e\n      \u003cli\u003eMechanical Watch Enthusiasts\u003c\/li\u003e\n      \u003cli\u003eIntegrated Bracelet Fans\u003c\/li\u003e\n      \u003cli\u003eSmaller Wrists \u0026amp; Compact Sizing\u003c\/li\u003e\n      \u003cli\u003eMint \u0026amp; Pastel Dial Collectors\u003c\/li\u003e\n      \u003cli\u003eOffice \u0026amp; Smart-Casual\u003c\/li\u003e\n      \u003cli\u003eFirst Automatic Watch\u003c\/li\u003e\n      \u003cli\u003eUnisex Styling\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- KEY FEATURES --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eKey Features\u003c\/h2\u003e\n    \u003cul class=\"cc-benefits\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCalibre 8310 in-house automatic\u003c\/strong\u003e — 60-hour power reserve, hacking seconds, and hand-winding capability.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGuilloché-textured mint green dial\u003c\/strong\u003e — an engine-turned decorative pattern adding fine relief and depth to a soft, pale colour.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDecorated movement\u003c\/strong\u003e — rhodium-plated bridges, openworked rotor, blue-coloured screws, striped bridge finishing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eExhibition caseback\u003c\/strong\u003e — displaying the decorated movement.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e37mm tonneau-shaped stainless steel case\u003c\/strong\u003e — 11.5mm thin, one of the most compact in the Tsuyosa range.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eSapphire crystal with magnified date window\u003c\/strong\u003e — scratch-resistant and genuinely legible.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eApplied hour markers with luminous hands and indices\u003c\/strong\u003e — clear in any light.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e5-link Jubilee-style integrated bracelet\u003c\/strong\u003e — with concealed butterfly clasp.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e50-metre water resistance (5 BAR)\u003c\/strong\u003e — rated for handwashing, rain and brief splashes.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- TECHNICAL SPECIFICATIONS --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cp class=\"cc-spec-summary\"\u003eThe Citizen NK0030-51X is a 37mm automatic watch from the Tsuyosa 60 generation, powered by the in-house Calibre 8310 with a 60-hour power reserve, hacking seconds and hand-winding. The tonneau-shaped stainless steel case measures 11.5mm thick with sapphire crystal, a magnified date window and an exhibition caseback displaying the decorated movement, water resistant to 50 metres. The guilloché-textured mint green dial carries applied hour markers with luminous hands and indices. It's finished on an integrated 5-link Jubilee-style stainless steel bracelet with a concealed butterfly clasp.\u003c\/p\u003e\n\n    \u003ctable class=\"cc-spec-table\"\u003e\n      \u003ccaption\u003eCase \u0026amp; Build\u003c\/caption\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eNK0030-51X\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCollection\u003c\/td\u003e\n\u003ctd\u003eTsuyosa 60\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eStainless Steel, Silver-Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCase Shape\u003c\/td\u003e\n\u003ctd\u003eTonneau\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCase Diameter\u003c\/td\u003e\n\u003ctd\u003e37mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCase Thickness\u003c\/td\u003e\n\u003ctd\u003e11.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eGlass\u003c\/td\u003e\n\u003ctd\u003eSapphire Crystal, Date Magnifier\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCaseback\u003c\/td\u003e\n\u003ctd\u003eExhibition, Transparent\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eWater Resistance\u003c\/td\u003e\n\u003ctd\u003e50 Metres (5 BAR)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ctable class=\"cc-spec-table\"\u003e\n      \u003ccaption\u003eDial\u003c\/caption\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eMint Green\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eGuilloché, Engine-Turned Texture\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMarkers\u003c\/td\u003e\n\u003ctd\u003eApplied Baton Indexes, Luminous\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eHours, Minutes, Seconds, Date (Magnified)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ctable class=\"cc-spec-table\"\u003e\n      \u003ccaption\u003eBracelet\u003c\/caption\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel, Integrated\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eStyle\u003c\/td\u003e\n\u003ctd\u003e5-Link Jubilee-Style\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eClasp\u003c\/td\u003e\n\u003ctd\u003eConcealed Butterfly\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\n    \u003ctable class=\"cc-spec-table\"\u003e\n      \u003ccaption\u003eMovement \u0026amp; Power\u003c\/caption\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCalibre\u003c\/td\u003e\n\u003ctd\u003eCitizen 8310 (In-House)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eAutomatic, Hacking Seconds, Hand-Winding\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003ePower Reserve\u003c\/td\u003e\n\u003ctd\u003e60 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eDecoration\u003c\/td\u003e\n\u003ctd\u003eRhodium-Plated Bridges, Openworked Rotor, Blue Screws, Striped Bridge\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- BEST MATCHED WITH --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eBest Matched With\u003c\/h2\u003e\n    \u003cul class=\"cc-tags cc-tags--dark\"\u003e\n      \u003cli\u003eWhite Linen Shirt\u003c\/li\u003e\n      \u003cli\u003eLight Chinos\u003c\/li\u003e\n      \u003cli\u003eNavy Blazer\u003c\/li\u003e\n      \u003cli\u003ePastel Knitwear\u003c\/li\u003e\n      \u003cli\u003eSmart-Casual Summer\u003c\/li\u003e\n      \u003cli\u003eUnisex Styling\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n    \u003cdiv class=\"cc-faq\"\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eWhat makes this a \"Tsuyosa 60\"?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eThe 60 refers to the 60-hour power reserve of the new in-house Calibre 8310, up from 40 hours in the previous generation. It's a genuine mechanical upgrade — the new caliber also adds hacking seconds and hand-winding, alongside a decorated movement and an upgraded 5-link bracelet.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eWhat is a guilloché dial?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eGuilloché is a decorative engine-turned texture — fine, precise patterns cut into the dial surface. It adds visual depth and catches light differently as the watch moves, giving the dial dimension that a flat or plain sunray finish can't achieve.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eWhat is hacking seconds?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003ePulling the crown out to the time-setting position stops the seconds hand completely, letting you set the time to the exact second. Many automatic watches let the seconds hand keep running while you set the time; this one stops it, for precision.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eCan I wind it by hand?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eYes. Alongside automatic winding from wrist motion, Calibre 8310 supports hand-winding via the crown — useful for topping up the reserve after the watch has been sitting unworn.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eCan I see the movement?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eYes, and it's worth looking at. The exhibition caseback displays a decorated movement with rhodium-plated bridges, an openworked rotor, blue-coloured screws and striped finishing on the main bridge — a level of visual finishing unusual at this price.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eHow long does the power reserve last?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003e60 hours when fully wound — comfortably more than two days, so the watch will still be running if you leave it off over a weekend. Regular daily wear keeps it continuously wound.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eWill 37mm fit my wrist?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003e37mm sits at the compact end of the modern range and suits smaller and medium wrists particularly well. Most Tsuyosa references are 40mm, so this is one of the few genuinely compact options in the family — and at 11.5mm thin, it slips easily under a cuff. Several retailers list it as unisex for this reason.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eCan I swim with this watch?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eNo. With 50-metre (5 BAR) water resistance it's rated for handwashing, rain and brief accidental splashes, but it isn't intended for swimming, showering or diving.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eDoes a mechanical watch need servicing?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eYes. Unlike a quartz watch, an automatic has moving parts and lubricants that wear over time. Citizen recommends periodic servicing to keep timekeeping and water resistance within spec. Any City Chain outlet can arrange this — bring your warranty card.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eIs the bracelet adjustable?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eYes. The integrated 5-link bracelet can be resized by adding or removing links, and closes with a concealed butterfly clasp. City Chain offers complimentary bracelet sizing at any outlet — bring your warranty book along for the service.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv class=\"cc-faq-item\"\u003e\n        \u003cp class=\"cc-faq-q\"\u003eWhat warranty does this watch come with?\u003c\/p\u003e\n        \u003cp class=\"cc-faq-a\"\u003eThe NK0030-51X comes with a 3-year warranty when purchased from City Chain Singapore, an authorised Citizen retailer. Keep your warranty card and proof of purchase — both are required when submitting the watch for service at any City Chain outlet.\u003c\/p\u003e\n      \u003c\/div\u003e\n\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- WHY BUY FROM CITY CHAIN --\u003e\n  \u003cdiv class=\"cc-section\"\u003e\n    \u003ch2\u003eWhy Buy from City Chain Singapore\u003c\/h2\u003e\n    \u003cul class=\"cc-trust\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eAuthorised Retailer\u003c\/strong\u003e \u003cspan\u003e100% genuine Citizen product\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003e3-Year Warranty\u003c\/strong\u003e \u003cspan\u003eCovered on every purchase\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFree Shipping\u003c\/strong\u003e \u003cspan\u003eAll orders within Singapore\u003c\/span\u003e\n\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eBracelet Adjustment\u003c\/strong\u003e \u003cspan\u003eSize it in-store\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"CITIZEN","offers":[{"title":"Default Title","offer_id":49584966598871,"sku":"NK0030-51X","price":730.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/2451\/7272\/files\/Citizen_NK0030-51X.png?v=1786679117","url":"https:\/\/www.citychain.com.sg\/products\/citizen-nk0030-51x-tsuyosa-mechanical-unisex-watch","provider":"City Chain Singapore","version":"1.0","type":"link"}