Seiko Presage SRPB41J1 Automatic Bracelet Watch - W25109

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Seiko Presage SRPB41J1 Automatic Bracelet Watch - W25109

Name: Seiko Presage SRPB41J1 Automatic Bracelet Watch - W25109
Brand: Seiko
SKU: SRPB41J1
Availability: InStock

Ref. SRPB41J1

Among our 178 Seiko watchesThis watch£349

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Stepping up in the same colour and case shape

The Cocktail Time series began as Seiko's attempt to bring the mood and palette of the bar into dress watch design, and the SRPB41J1 draws its dial directly from the Blue Moon cocktail — a brief that sounds fanciful until you see what it produces. The blue sunburst surface shifts between deep indigo and pale cerulean as the light moves across it, with a gradient intensity that few dials at this scale manage without looking contrived. Dauphine hands with no lume, applied indices with no lume: the finishing confirms that this watch is not pretending to be anything other than dressed. At 40.5mm with a 47.5mm lug-to-lug span, it sits neatly on a range of wrists without the case dominating the forearm, and 11.8mm of thickness keeps it cooperative beneath a cuff. The box-shaped Hardlex crystal adds a gentle dome that distorts slightly at the edge — a detail that belongs to an older tradition of dress watchmaking and suits the brief well. The 4R35 inside supports hand-winding and hacking, which means setting it against a reference is a precise act rather than an approximation, and the exhibition caseback turns that mechanical discipline into something visible.

Reference: SRPB41J1
Brand: Seiko
Collection: Presage
Case size: 40.5mm
Case thickness: 11.8mm
Lug width: 20mm
Case material: Stainless steel
Case shape: Round
Dial: Blue
Crystal: Hardlex
Movement: Automatic
Calibre: 4R35
Functions: Date
Water resistance: 50m
Bracelet / strap: Stainless steel bracelet
Strap colour: Silver
Clasp: Deployant clasp
Lume: Luminous
Retailer: F.Hinds

Additional specifications

Lug-to-lug: 47.5mm
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.

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Best of 2 retailers

What the specifications mean

A mechanical watch for everyday wear.

Strengths

47.5mm lug-to-lug keeps the 40.5mm case wearable
Luminous hands and markers for low light
Sits in the lower half of Seiko's range as we list it

Worth knowing

50m suits rain and handwashing, not swimming

Best forEveryday wear

Less suited toSwimming

Compare alternatives

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

Presage SRPB41J1 Automatic Bracelet Watch - W25109 compared with 2 alternatives from other brands
Specification	This watchPresage SRPB41J1 Automatic Bracelet Watch - W25109SRPB41J1	OrientRA-AR0009L30B Contemporary Automatic Bracelet Watch - W2969RA-AR0009L30B	CitizenTsuyosa NJ0153-82X Men's Watch – 40mm Red Dial Stainless SteelNJ0153-82X
Price	£349	£365	£329
Case size	40.5mm	40.8mm	40mm
Water resistance	50m	50m	50m
Movement	Automatic	Automatic	Automatic
Strap	Stainless steel bracelet	Stainless steel bracelet	Stainless steel bracelet
Power reserve	41 hours	40 hours	40 hours
	This watch	Closely matched	Closely 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.

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 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.

Will it fit my wrist?

Lug-to-lug is 47.5mm, which suits wrists from roughly 16.5cm (6½ inches) upward.

Lug-to-lug decides fit more than case diameter does.

Is it a men's or women's watch?

Listed as men's.

Cheapest place to buy

Both Goldsmiths and F.Hinds list it at £349, so choose on delivery and warranty rather than price.

Who are Goldsmiths?

Goldsmiths has been selling watches in Britain since 1778 and is part of the Watches of Switzerland Group, which is listed on the London Stock Exchange. They are an authorised dealer, so a watch comes with the manufacturer’s own warranty.