SEIKO HGK001P1 CHRONOGRAPH QUARTZ MEN WATCH
HGK001P1
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- Warranty 3 Years
Everything on the dial of the Seiko Conceptual HGK001P1 does a job. The chronograph times up to 60 minutes in fifth-of-a-second increments; a small seconds hand keeps the running seconds clear of it; a 24-hour hand shows whether the time is morning or evening; and there is a date. The case is 40mm of stainless steel, 11.5mm deep and 45.8mm from lug to lug, under a sapphire crystal.
LumiBrite on the hands and indexes keeps the dial readable in low light, and Calibre 8T63 runs to ±15 seconds a month on a battery lasting around three years — a figure Seiko bases on roughly an hour of chronograph use a day. Behind a screw case back the watch is rated to 10 bar: swimming is fine, scuba diving is not.
At a Glance
- BrandSeiko
- CollectionConceptual
- MovementCalibre 8T63 Quartz
- Chronograph60 Min, 1/5 Second
- Case Size40mm
- Case Thickness11.5mm
- Lug to Lug45.8mm
- GlassSapphire Crystal
- LuminousLumiBrite, Hands & Indexes
- CalendarDate Display
- Battery LifeApprox. 3 Years
- Water Resistance100m (10 BAR)
Why You'll Love It
- 45.8mm across the lugs is restrained for a chronograph; fitting the sub-dials in usually pushes these cases wider across the wrist.
- The 24-hour hand removes the morning-or-evening ambiguity a twelve-hour dial leaves behind, at a glance and without arithmetic.
- LumiBrite is on the markers as well as the hands, so the whole dial stays readable in low light rather than just the hands.
- Leaving the chronograph running is what drains these movements; stop and reset it after a reading and the battery does its full term.
- A small seconds hand ticks away independently, so you can see the watch is alive even with the chronograph at zero.
Key Features
- Chronograph to 60 minutes in 1/5 second increments, with a 24-hour hand, a small seconds hand and a date display.
- Calibre 8T63 quartz movement — accurate to ±15 seconds a month, with a battery life of approximately three years based on around an hour of chronograph use a day.
- 100-metre water resistance behind a screw case back, with a sapphire crystal and LumiBrite on the hands and indexes. Suited to swimming, not to scuba diving.
Technical Specifications
| Model Number | HGK001P1 |
|---|---|
| Case Material | Stainless Steel |
| Case Diameter | 40mm |
| Case Thickness | 11.5mm |
| Lug to Lug | 45.8mm |
| Lug Width | 20mm |
| Glass | Sapphire Crystal |
| Caseback | Screw Case Back |
| Water Resistance | 100 Metres (10 BAR) |
| Magnetic Resistance | 4,800 A/m |
| Weight | 155g |
| Chronograph | Up to 60 Minutes, 1/5 Second Increments |
|---|---|
| 24-Hour Hand | Yes |
| Small Seconds | Yes |
| Calendar | Date Display |
| Luminous Material | LumiBrite on Hands and Indexes |
| Clasp | Three-Fold with Push Button Release |
|---|---|
| Lug Width | 20mm |
| Calibre | Seiko 8T63 |
|---|---|
| Type | Quartz, Battery Powered |
| Display | Analogue |
| Accuracy | ±15 seconds a month |
| Battery Life | Approx. 3 Years |
Frequently Asked Questions
What can the chronograph time?
Up to 60 minutes, measured in fifth-of-a-second increments, after which it stops. That resolution is fine enough for a sprint, a lap or a brew, and the full hour covers a meeting, a parking session or a drive. Seiko bases the three-year battery life on roughly an hour of chronograph use a day, so stop and reset it once you have taken a reading rather than leaving it running.
What does the 24-hour hand do?
It completes one rotation a day rather than two, so it shows the hour on a 24-hour scale and tells you at a glance whether the dial is reading morning or evening. Seiko's instructions for this calibre note that it moves together with the hour hand, so it indicates AM and PM rather than being set independently for a second time zone.
Will the bracelet be sized to my wrist?
Yes. City Chain offers complimentary bracelet sizing at any outlet — bring your warranty book along for the service. The clasp is a three-fold design that opens on a push button release rather than a pin buckle, so there is no strap hole to stretch or wear through over time.
Can I swim with it?
Yes. At 10 bar, Seiko's guidance covers swimming and snorkelling as well as everyday contact with water. What it does not cover is scuba diving — this is not a diver's watch — and the 100-metre figure is a pressure rating, not a depth you can take the watch to. Seiko's instructions add two things worth following: do not turn or pull out the crown while the watch is wet, and do not wear it in a bath or sauna. Rinse it in fresh water after contact with seawater.
How does 40mm wear?
40mm is a mainstream size, and a restrained one for a chronograph — the sub-dials usually push these cases larger. The figures that matter more for fit are the 45.8mm lug-to-lug span, which is how far the case reaches across the wrist, and the 11.5mm thickness. At 155g the complete watch has some presence to it.
Is there a wrong time to set the date?
Yes. Seiko's instructions for this calibre say not to set the date between 9:00 pm and 3:00 am, because the movement is engaged with the date change during those hours and adjusting it then can stop the date advancing the following day. Move the hands to a safe hour first, set the date, then set the time. The date also needs correcting by hand at the end of February and after any 30-day month.
What warranty does this watch come with?
The HGK001P1 comes with a 3-year warranty when purchased from City Chain Singapore, an authorised Seiko retailer. The warranty covers manufacturing defects rather than accidental damage, wear or battery depletion. Keep your warranty card and proof of purchase — both are required when submitting the watch for service.
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
Calibre Number: 8T63
Movement Type: Quartz
Precision: +/-15 seconds per month
Battery Life: Approx. 3 Years
Case Material: Stainless Steel
Case Colour: Silver
Case Diameter: 40.0mm
Case Thickness: 11.5mm
Lug-to-lug: 45.8mm
Distance between lugs: 20
Water Resistance: 100 Metres
Glass: Sapphire Crystal
Crown: Pull Out
Dial Colour: Champagne
Lumibrite: LumiBrite on hands and index(es)
Functions: 24-hour hand
Equipped with small seconds hand
Chronograph up to 60 minutes in 1/5 second increments
Date Display
Band/Bracelet: Stainless Steel
Band Colour: Silver
Three-fold clasp with push button release
Screw case back
Magnetic Resistance: 4,800 A/m
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.
