One of the most sought after and iconic Seiko dive watches is commonly referred to as the Samurai. With it’s distinctive bevelled lugs – Seiko Samurai – is a nickname that covers several Seiko watch models incorporating this case design. The photograph below highlights the unique design of the Samurai case. The sharp angles of the Samurai case give the impression it has been sliced by a Samurai sword (*3).

Distinctive angular lugs of the Seiko Samurai


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Latest classified adverts

A selection of Samurai dive watches posted by sellers in the UK. These classified adverts have been added within the last 24 hours. Please scroll down for Seiko Samurai listed for sale in the US. Many of these sellers will ship WORLDWIDE so it’s worth looking at UK listings if you are in the USA and vice-versa.

Seiko Samurai for sale – UK sellers

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Available online now is an affiliated partner of Here’s a selection from their range of Seiko “Samurai” style dive watches. Sometimes the algorithms used to produce these adverts is not too clever … please check model codes etc to ensure the watch on offer is in fact a Samurai styled Seiko dive watch

Seiko Samurai for sale – USA sellers

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First produced in 2004

The Samurai was first introduced to watch enthusiasts and divers alike in 2004. It remained in production for nearly a decade. The watch was produced mostly with a stainless steel casing. However, there is a much sought after Samurai with a titanium case (reserved for the Japanese market). All models are 200m water resistant and feature the blade like minute hand and split arrowhead hour hand (as shown below)

Sword shaped minute hand and stubby arrowhead hour hand

The model shown above is a limited edition version – Save the Oceans. This particular model has a unique dial pattern (wave design) in a deep ocean blue with raised stripes of a darker tone. The SRPC93 has all the usual Seiko Prospex features such as 200m water resistance, Hardlex mineral glass and Lumibrite luminous hands and hour markers. It is driven by the caliber 4R35 Automatic (self winding) movement – accurate to -35/+45 sec per day with a 41 hour power reserve. There is a very good hands on review of the Samurai Save the Oceans at (4)

Discontinued until 2017

Thankfully the Samurai wasn’t kept off the market for too long. At Baselworld watch expo (*2) in 2017 Seiko revealed their new Samurai Blue Lagoon Limited Editions (just 6,000 pieces – product code SRPB09)

Seiko Samurai Blue Lagoon Limited Editions – SRPB09



  • Case Material: Stainless steel
  • Glass Material: Hardlex
  • Case Size
  • Thickness: 13.4㎜
  • Diameter: 43.8㎜


Other Details

  • Clasp: Three-fold clasp with secure lock , push button release with extender
  • LumiBrite: Lumibrite on hands and indexs
  • Water Resistance: 200m / 660ft diver’s


  • 23 jewels

  • Date display

  • Screw-down crown

  • Stop seconds hand function

  • Unidirectional rotating bezel

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Current models

According to the Seiko Watches website (*1) there are just three Samurai styled Prospex dive watches (correct as of April 2019) :

  • Seiko Prospex SRPB99K1 (PADI version) with Calibre 4935Automatic movement (with manual wind option) – 23 Jewels – Hardlex glass – 41 hour power reserve – 200m WR
  • Seiko Prospex SRPB49K1 with Calibre 4935 – Automatic movement (with manual wind option) – 23 Jewels – Hardlex glass – 41 hour power reserve – 200m WR
  • Seiko Prospex SRPB51K1 with Calibre 4935 – Automatic movement (with manual wind option) – 23 Jewels – Hardlex glass – 41 hour power reserve – 200m WR

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Video Reviews

Seiko Prospex “Samurai” SRPB51 Automatic Dive Watch Review

YouTube video

Review of this Seiko ISO 6425 diver from the revised 2017 “Samurai” range, featuring the 4R35 movement and face-lifted waffle dial

Hands-On With The Seiko Samurai Save The Ocean SRPC93

YouTube video


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If you found this page via a search engine – please pop over to our generic Seiko Divers watch page. You will find plenty more information on iconic styles from Japan’s leading manufacturer of quality dive watches. The complete current range has been summarised here – Seiko Prospex Dive Watch range

External references / further reading

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