Kensington Watches
Seiko 5 Sports Field 41mm Mens Watch Coyote Brown

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Seiko

Seiko 5 Sports Field 41mm Mens Watch Coyote Brown

Ref. HDB009K1

Among our 192 Seiko watchesThis watch£350
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Price range £110 to £3,550 across 192 Seiko watches in stock.

A field-oriented design built around a bi-directional rotating compass bezel with knurled, gear-like edges. The 41mm stainless steel case runs 13.2mm thick with a 48.5mm lug-to-lug span, fitted with a screw-down exhibition caseback. The coyote brown dial carries bold numerals and LumiBrite hands and indices, with day and date displayed at three o'clock. Beneath is Seiko's 4R36 calibre, offering manual winding, hacking seconds, and roughly 41 hours of power reserve. A heavy-duty Cordura nylon strap in brown closes with a pin buckle.

Reference
HDB009K1
Brand
Seiko
Case size
41mm
Case thickness
13.2mm
Lug width
20mm
Case material
Stainless steel
Case shape
Round
Dial
Brown
Crystal
Hardlex
Bezel
Bidirectional rotating
Movement
Automatic
Calibre
4R36
Functions
Date, Compass
Water resistance
100m
Bracelet / strap
Fabric strap
Strap colour
Brown
Clasp
Buckle
Lume
LumiBrite
Retailer
Goldsmiths
Additional specifications
Power reserve
41 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.

All Seiko watches

Also in 6 collections

This watch appears in Back in Stock (3,616), Stainless Steel Watches (3,157), Automatic Watches (1,753), Sports Watches (793), Automatic Watches Under £500 (333) and Brown Dial Watches (97).

Best of 2 retailers

What the specifications mean

A mechanical watch for everyday wear.

Strengths

  • 100m water resistance covers swimming and watersports
  • Luminous hands and markers for low light
  • Sits in the lower half of Seiko's range as we list it
Best forSwimming

Price history

This watch is currently at its highest recorded price. It was £340 on 10 August. Prices are checked every day, and we record any changes.

£350£35010 August

Seiko 5 Sports Field alternatives

Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.

5 Sports Field 41mm Mens Watch Coyote Brown compared with 2 alternatives from other brands
SpecificationThis watch5 Sports Field 41mm Mens Watch Coyote BrownHDB009K1MaseratiR8821124002 Sorpasso Automatic Brown Leather Strap Watch - W81308R8821124002RotaryRegent 40mm Mens Watch SkeletonGB05495/06
Price£350£349£349
Case size41mm42mm40mm
Water resistance100m100m100m
MovementAutomaticAutomaticAutomatic
StrapFabric strapLeather strapStainless steel bracelet
Power reserve41 hours
This watchClosely matchedClosely matched

Your new watch

Frequently asked questions, and things you should know about this watch

Can I swim with it?

Yes. At 100m it is rated for swimming and snorkelling, though not for diving.

Water resistance explained

Will the glass scratch?

It resists most everyday knocks. Hardlex is a hardened mineral glass — tougher than standard mineral, softer than sapphire.

Sapphire, mineral and acrylic compared

Does it need a battery?

No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.

Quartz, automatic and solar compared

How long does it run for when it's not worn?

About 41 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.

Cheapest place to buy

Both Mappin & Webb and Goldsmiths list it at £350, so choose on delivery and warranty rather than price.

Has the price changed recently?

It's currently at its highest recorded price. It's ranged between £340 and £350, today it's £350.

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