CASIO G-SHOCK GA-2100K-5ADR 2100 ANALOG-DIGITAL TRANSLUCENT SMOKY AMBER WATCH

The GA-2100K-5ADR is the smoky amber variant of the nightlife-inspired GA-2100K — a GA-2100 that draws its visual language from nightclubs and music festivals rather than the outdoors. The bezel and band are translucent resin with a matte finish that creates a foggy, hazy texture reminiscent of a dance floor shrouded in machine-generated smoke. Through the translucent amber material, the internal structure of the watch is partially visible — a see-through effect that adds depth and visual intrigue. Neon accent details sparkle like laser strobes cutting through the haze, and a newly developed smooth dial surface with a glossy piano-black finish provides a rich, reflective centre that anchors the design.

Module 5611 is the same GA-2100 platform used across the 2100 range: analog-digital with two hands and a day sub-dial, hand shift, world time across 31 time zones (48 cities), 1/100-second stopwatch with split time, 24-hour countdown timer, five daily alarms, double LED Super Illuminator, Neobrite lume, Carbon Core Guard, and a full auto-calendar to 2099. At 48.5 × 45.4 × 11.8 mm and 51 grams — the same ultra-light, slim profile as every resin GA-2100. Shock resistant, 200-metre water resistant. SR726W × 2, approximately three-year battery life.

At a Glance

Why You'll Love It

• The nightlife concept is what makes the GA-2100K different from every other GA-2100 colourway. The translucent matte bezel and band aren't just transparent resin — the matte finish creates a foggy, hazy quality that Casio describes as reminiscent of dance-floor haze from a fog machine. The smoky amber tone gives the watch a warm, mysterious look that shifts between opaque and see-through depending on the light angle. It's a watch that belongs under club lights, festival stages, and late-night city streets.
• The newly developed smooth dial surface with a piano-black gloss finish is specific to the GA-2100K series. The surface has a depth and richness that standard G-Shock dials don't achieve — the glossy black reflects light and creates a mirror-like centre behind the hands. Casio calls it "the incredible depth of piano black", and it's a noticeable upgrade in dial finishing over standard GA-2100 models.
• Neon accent details are designed to evoke laser strobes in a dark venue — bright, sharp colour points against the smoky translucent body and piano-black dial. The contrast between the hazy matte exterior and the sharp neon accents is the visual tension that drives the nightlife theme.
• The translucent case partially reveals the internal structure of the watch — Carbon Core Guard construction, internal components, and the module housing are visible through the smoky amber resin. It adds a mechanical curiosity to the exterior that opaque cases don't offer.
• At 51 grams and 11.8 mm thin, it's comfortable enough to wear for an entire night out — no wrist fatigue during hours of dancing, no snagging on sleeves. The same ultra-light, slim profile as every other resin GA-2100.
• Full Module 5611 spec sheet: hand shift, world time (48 cities), double LED, 5 daily alarms, Carbon Core Guard, 200m water resistance. The nightlife styling is all surface — underneath, it's a fully functional G-Shock.

Perfect For

Key Features

• Translucent smoky amber — matte fog finish — Semi-transparent bezel and band with matte haze texture. Partially reveals internal watch structure. Nightclub fog-machine aesthetic.
• Piano-black dial — Newly developed smooth glossy surface with deep reflective black. A dial finishing upgrade over standard GA-2100 models.
• Neon laser-light accents — Bright neon colour details against the smoky translucent body. Evokes laser strobes in a dark venue.
• Ultra-light — 51 g, 11.8 mm — Carbon Core Guard resin construction. Comfortable for all-night wear.
• Hand shift + Double LED Super Illuminator — Hands retract for clear digital reading. Separate LEDs for analog face and digital display.
• 200-metre water resistance (20 BAR) — Suitable for swimming, snorkelling, and recreational water sports.

Technical Specifications

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Frequently Asked Questions

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