Introduction to the Seiko Samurai Dive Watch

Looking to buy a Seiko Samurai – please visit our selection of Seiko Samurai watches for sale here

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). If you’re new to these iconic dive products please take a minute to browse through our short history of Seiko Dive Watches – starting with the 6217-8000 in 1965 and the 6105-8000 in 1968

Detail of the Seiko Samurai watch case with sharp bevelled edges
Distinctive angular lugs of the Seiko Samurai

Enter the Samurai – 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 hands of the Seiko Samurai divers watch
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 – resurrecting the Samurai

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)

A nice example of the Seiko Samurai in stainless steel with blue bezel and face
Seiko Samurai Blue Lagoon Limited Editions – SRPB09



  • Case Material: Stainless steel
  • Glass Material: Hardlex
  • 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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Examples of Seiko Samurai listed for sale today

Listed below are 3 examples from our selection of Seiko Samurai watches for sale. This list was last updated on the 04/12/2020

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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Authorised Seiko Prospex shopping partner

Our online shopping partner sells the entire range of Seiko Prospex dive watches. Shop with confidence at Jurawatches. Get the assurance of a genuine Seiko Prospex watch from an authorised dealer.

This is what our shopping partners say about the Seiko Prospex range

“Discover our stunning collection of Seiko Prospex watches designed especially for sport lovers and adventurers in mind. Since the first Seiko Prospex Divers watch was released in 1965, the brand have continued to challenge and expand on their designs to create a range of Japanese diving and sport watches that provide exceptional functionality and striking visual appeal”

If you found this page via a search engine – please visit our generic Seiko Divers watch history page for more information on all Seiko Prospex models since 1965. There’s general information on all iconic styles from Japan’s leading manufacturer of quality dive watches. If you are in the market for a new watch then please browse the hundreds of Seiko Dive Watches for sale here

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External references / further reading

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