Kensington Watches
Seiko Presage Cocktail Time 40.5mm Mens Watch Green

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Seiko

Seiko Presage Cocktail Time 40.5mm Mens Watch Green

Ref. SSA441J1

Among our 192 Seiko watchesThis watch£430
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Stepping up in the same colour and case shape

Price range £110 to £3,550 across 192 Seiko watches in stock.

A green dial sits at the heart of this dress watch, its colour drawn from the Grasshopper cocktail and finished with an open-heart aperture at nine o'clock that exposes the balance wheel beneath. The box-shaped Hardlex crystal adds gentle curvature to the display. At 40.5mm wide and 11.8mm thick, the stainless steel case wears with a degree of presence without feeling heavy, and a see-through screw caseback allows a view of the 4R38 automatic movement. A push-button deployment clasp secures the matching steel bracelet.

Reference
SSA441J1
Brand
Seiko
Collection
Presage
Case size
40.5mm
Case thickness
11.8mm
Lug width
20mm
Case material
Stainless steel
Case shape
Round
Dial
Green
Crystal
Hardlex
Movement
Automatic
Calibre
4R38
Functions
Skeleton dial
Water resistance
50m
Bracelet / strap
Stainless steel bracelet
Strap colour
Silver
Clasp
Deployant clasp
Retailer
F.Hinds
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 7 collections

This watch appears in the Seiko Presage range (41), Back in Stock (3,616), Stainless Steel Watches (3,157), Automatic Watches (1,753), Green Dial Watches (436), Automatic Watches Under £500 (333) and Skeleton Watches (323).

Best of 2 retailers

Seiko Presage Cocktail Time alternatives

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

Presage Cocktail Time 40.5mm Mens Watch Green compared with 2 alternatives from other brands
SpecificationThis watchPresage Cocktail Time 40.5mm Mens Watch GreenSSA441J1TissotClassic Dream 40mm Yellow Gold & Leather Mens WatchT1584073626100CitizenTsuyosa 60 Automatic 40mm Mens Watch BlackNK0020-55E
Price£430£430£429
Case size40.5mm40mm40mm
Water resistance50m50m50m
MovementAutomaticAutomaticAutomatic
StrapStainless steel braceletLeather strapStainless steel bracelet
Power reserve41 hours80 hours60 hours
This watchClosely matchedClosely matched

Your new watch

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

Can I swim with it?

Showering yes, swimming no. 50m covers splashes and brief immersion, but a swimming stroke generates well above the pressure that figure describes.

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 F.Hinds list it at £430, so choose on delivery and warranty rather than price.

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