SEIKO CONCEPTUAL SUR311P1 BLACK DIAL MEN WATCH
SUR311P1
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- Backordered, shipping soon
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- Warranty 3 Years
A black dial with baton markers, three hands and a date at the rim — the Seiko SUR311P1 does not try to hold your attention with anything other than legibility. Black gives the markers and the hands the strongest contrast a dial can offer, and the LumiBrite on both means that contrast does not disappear when the room does.
For a 40.2mm steel watch at this money the specification runs deeper than the look suggests: a sapphire crystal, a case back that screws in, and 10 bar of water resistance, which Seiko's instructions carry as far as a bath or a swim while stopping well short of scuba diving. Power comes from the quartz Calibre 6N52, held to ±15 seconds a month across roughly three years of battery. The case is a slim 8.4mm, the stainless steel bracelet brings it to 113g, and the lugs are 47mm apart — the figure to measure rather than the diameter.
At a Glance
- BrandSeiko
- CollectionConceptual
- MovementCalibre 6N52 Quartz
- DialBlack, Baton Markers
- CalendarDate
- LuminousLumiBrite, Hands & Indexes
- Case Size40.2mm
- Case Thickness8.4mm
- Lug to Lug47mm
- GlassSapphire Crystal
- BraceletStainless Steel, 20mm
- Water Resistance100m (10 BAR)
Why You'll Love It
- Pale hands and markers against a dark ground is the arrangement the eye reads fastest, which is why black dials have outlasted every fashion that came after them.
- The luminous coating means the watch keeps working after the lights go out. A few minutes of daylight charges it, there is nothing to press, and it draws nothing from the battery.
- Sapphire over the dial is a specification you benefit from without ever thinking about it — it is the surface meeting every door frame, desk edge and bag strap you pass.
- Ten bar behind a screwed-in case back puts a swim and a bath inside what the watch is built for, so it stays on the wrist rather than beside the basin.
- 8.4mm clears a shirt cuff easily. Set against that, 47mm between the lug tips is long for a 40.2mm case, so measure your wrist against that figure before deciding.
Key Features
- Quartz Calibre 6N52 — three hands plus a date, running to a tolerance of ±15 seconds a month on a cell Seiko rates at approximately three years.
- A stainless steel case of 40.2mm standing 8.4mm tall and reaching 47mm lug tip to lug tip, glazed in sapphire, shut with a screw case back, and carrying LumiBrite on its hands and indexes.
- Stainless steel bracelet on 20mm lugs with a three-fold clasp and push button release; 113g complete and rated to 10 bar.
Technical Specifications
| Model Number | SUR311P1 |
|---|---|
| Case Material | Stainless Steel |
| Case Diameter | 40.2mm |
| Case Thickness | 8.4mm |
| Lug to Lug | 47mm |
| Lug Width | 20mm |
| Glass | Sapphire Crystal |
| Caseback | Screw Case Back |
| Water Resistance | 100 Metres (10 BAR) |
| Weight | 113g |
| Colour | Black |
|---|---|
| Markers | Batons |
| Hands | Hour, Minutes, Seconds |
| Calendar | Date |
| Luminous Material | LumiBrite on Hands and Indexes |
| Material | Stainless Steel |
|---|---|
| Clasp | Three-Fold with Push Button Release |
| Lug Width | 20mm |
| Calibre | Seiko 6N52 |
|---|---|
| Type | Quartz, Battery Powered |
| Display | Analogue |
| Accuracy | ±15 seconds a month |
| Battery Life | Approx. 3 Years |
Frequently Asked Questions
What is the procedure for correcting the date?
One click out on the crown, turn until the right date shows, crown back in. The watch never stops, so the time is unaffected and there is nothing to reset afterwards. Seiko's general instructions for analogue watches say the calendar must not be changed between 9:00 pm and 4:00 am, and the reason they give is the whole of it: it may not change properly if you do. Seiko publishes no manual specific to calibre 6N52, so that is general guidance rather than a figure issued for this movement — and the instruction for working around it is theirs too. Move the time to any hour outside the window, set the calendar, then put the correct time back.
How well does it read in the dark?
Well enough to tell the time without reaching for a light. Seiko fits LumiBrite to the hands and the indexes — a compound that stores light while you wear the watch and gives it back afterwards, with nothing to activate and no cost to the battery. A short spell in daylight or under a lamp is a full charge. One limit worth stating: the specification covers the hands and indexes alone — the date aperture is not among them, so reading that still needs a lamp.
Can I keep it on in the shower or the pool?
Yes to both, and to a bath. Seiko's instructions describe a 10 bar watch as suitable for wearing while bathing or shallow diving, so everyday water is comfortably within it and steel has nothing that minds a soaking. Scuba diving is excluded outright, with Seiko's Diver's watches recommended for that, and the 100-metre figure is a pressure the case is tested against rather than a depth it may be taken to. Seiko's own precautions are worth repeating: push the crown fully in before the watch meets water, never operate the crown while the watch is wet, and rinse the case in fresh water after salt or chlorine.
Is the crystal likely to scratch?
It resists scratching very well. Sapphire is grown synthetically for this purpose and ranks among the hardest materials fitted over a watch dial, which is why a sapphire crystal still looks clear after years of the contact nobody notices happening. The distinction worth drawing is between hardness and toughness: a hard crystal shrugs off abrasion but can still chip or crack under a sharp impact against something like stone or tile. With ordinary care, that hardness is what keeps everyday abrasion off the glass.
When will the battery need replacing?
Seiko quotes approximately three years. Many Seiko quartz watches give notice: the seconds hand begins moving in two-second steps instead of single ticks, while the time stays correct. Not every Seiko movement includes that indicator, as Seiko itself points out, so regard it as a helpful extra where present rather than a dependable alarm. Bring the watch to any City Chain store for servicing — the screw case back must be opened and re-tightened against a sound gasket, and the 10 bar rating depends on that being done properly.
What are the fitting dimensions, and can the bracelet be taken in?
Go by the 47mm lug-tip-to-lug-tip span rather than the 40.2mm dial: that span is what has to bridge your wrist, and it is generous for a case of this diameter, so a tape measure is worth a moment before you commit. The case is 8.4mm deep and the watch weighs 113g on its stainless steel bracelet. The bracelet runs 20mm wide at the lugs and is taken in by removing links. City Chain offers complimentary bracelet sizing at any outlet, and your warranty book is worth bringing.
How is the watch covered after purchase?
By a 3-year warranty against manufacturing defects, on any SUR311P1 bought from City Chain Singapore, an authorised Seiko retailer. That addresses faults built into the watch rather than impact damage, the wear a case and bracelet collect over years, or a battery that has reached the end of its life. Warranty work calls for the card and the receipt together, so keeping the two filed in one place from the day of purchase is the practical move.
Why Buy from City Chain Singapore
- Authorised Retailer 100% genuine Seiko product
- 3-Year Warranty Covered on every purchase
- Bracelet Adjustment Complimentary sizing in store
- Free Shipping All orders within Singapore
Extra $20 OFF with min. $250 spend
Use Code: CC20
Extra $30 OFF with min. $300 spend
Use Code: CC30
Extra $40 OFF with min. $500 spend
Use Code: CC40
Case Diameter: 40.2 mm
Case Thickness: 8.4 mm
Case Length: 47 mm
Glass: Sapphire crystal
Case Material: Stainless Steel
Band Material: Stainless Steel
Screw case back
Three-fold clasp with push button release
Water Resistant: 10 BAR
Delivery within Singapore | Order by 11AM
(Checkout options may vary depending on minimum order requirements)
• Free Standard Delivery (3 business days)
• Free Next Day Delivery
• Express Delivery at $30 (order by 2PM)
• Click & Collect (ready in 2–3 business days)
Weekend & Public Holiday Orders
Orders placed during this time will be processed on the next business day.
For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.
