
Tap the image to enlarge

Seiko 5 SNKL66K1 Gold Plated Bracelet Watch - W25479
Ref. SNKL66K1
See more premium optionsHide
Stepping up in the same colour and case shape
The Seiko 5 is the line Seiko built to prove that an automatic movement need not cost a great deal to be dependable, and the SNKL66K1 makes that case in a format that leans toward the formal end of the range. The black dial against gold PVD case is a deliberately high-contrast combination, the kind that reads clearly at a glance and holds up under office lighting without looking restless. The 7S26 inside is the movement that made the Seiko 5 reputation: decades of production have made its reliability essentially settled fact, and at 38mm the case keeps the whole package at a size that still sits neatly under a shirt cuff. The watch weighs 106 grams on the wrist — substantial enough to feel present, not so heavy that it becomes a distraction through a long day. One thing to know going in: the 7S26 neither hacks nor hand-winds, so setting the time means running the watch to the correct position rather than stopping the seconds hand.
- Reference
- SNKL66K1
- Brand
- Seiko
- Case size
- 38mm
- Case thickness
- 12mm
- Lug width
- 20mm
- Case material
- Gold PVD
- Case shape
- Round
- Dial
- Black
- Crystal
- Hardlex
- Movement
- Automatic
- Calibre
- 7S26
- Functions
- Day-date
- Water resistance
- 30m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Gold
- Clasp
- Deployant clasp
- Lume
- Luminous
- Retailer
- F.Hinds
Additional specifications
- Power reserve
- 40 hours
Learn more about Seiko
Kintaro Hattori opened a watch and clock shop in Tokyo in 1881, aged twenty-one, and began manufacturing under the name Seikosha — roughly, house of exquisite workmanship — in 1892. The Seiko name appeared on watches from 1924.
The company's significance is that it broke the Swiss monopoly twice. First on precision: Seiko was appointed official timekeeper of the 1964 Tokyo Olympics and built the quartz chronometers and printing timers to do it, and in the 1960s its movements placed highly at the Neuchâtel and Geneva observatory trials against the best Swiss houses.
Then on technology. On Christmas Day 1969 Seiko released the Astron, the world's first quartz wristwatch, accurate to five seconds a month where mechanical watches managed that per day. The consequences for Switzerland were catastrophic — employment in the Swiss industry fell by roughly two-thirds over the following decade. Seiko deliberately did not enforce its quartz patents, allowing the technology to spread.
The same year it produced the 6139, among the first automatic chronographs, and it has since introduced Kinetic, Spring Drive — a hybrid regulating a mechanical mainspring electronically, giving a perfectly gliding seconds hand — and its own dive and field lines.
Seiko remains fully vertically integrated, making its own hairsprings, quartz crystals, and even the Zaratsu-polished cases, at price points from under a hundred pounds upward.
- 1881
- Kintaro Hattori opens his Tokyo shop.
- 1924
- The first watches carry the Seiko name.
- 1964
- Official timekeeper of the Tokyo Olympics.
- 1969
- The Astron becomes the first quartz wristwatch.
- 1999
- Spring Drive enters production.
Manufacturer’s guarantee
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 38mm suits most wrists
- Luminous hands and markers for low light
- Sits in the lower half of Seiko's range as we list it
Worth knowing
- 30m means keeping it away from water
- 40-hour reserve means winding it after a day off
Compare alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | SNKL66K1 | 96A190 | RA-AC0R06L30B |
|---|---|---|---|
| Price | £175 | £170 | £199 |
| Case size | 38mm | 40mm | 38.5mm |
| Water resistance | 30m | 30m | 50m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Stainless steel bracelet |
| Power reserve | 40 hours | — | 40 hours |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
No. At 30m it will survive rain and handwashing, but not submersion of any kind.
Will the glass scratch?
It resists most everyday knocks. Hardlex is a hardened mineral glass — tougher than standard mineral, softer than sapphire.
Does it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
How long does it run for when it's not worn?
About 40 hours fully wound — enough to survive a night off the wrist, but not a full weekend.
What size strap does it take?
20mm. Any strap of that width will fit, and on most modern watches quick-release bars make the swap a two-minute job with no tools.
Is it a men's or women's watch?
Listed as men's, though at 38mm it sits in the range that suits anyone.
Cheapest place to buy
F.Hinds is the only UK retailer we track stocking this reference, so there is nothing to compare it against today.
Who are F.Hinds?
F.Hinds has been run by the same family since 1856 and is now in its fifth generation, with more than 115 shops across England and Wales. They are a member of the Responsible Jewellery Council and an Authorised Diamond Dealer.
You may also like
In stock, and close on style and price











