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The Seiko Prospex SRPL51 revives the iconic Samurai lineage with a noticeably slimmer, refined case. Aggressive faceted lugs meet a textured oceanic blue dial, creating a handsome tool-watch presence. High-intensity LumiBrite ensures unmistakable visibility whether navigating deep water or city nights. A full ISO 6425 diving certification makes it an authentic professional tool built for adventure.
Brand: Seiko
Gender: Men's
Series: Prospex Sea
Additional Information: ISO 6425 Diver certified, Slim Samurai profile, 41 hours power reserve, Japan Movt
Model: SRPL51K1
Movement: Automatic Mechanical
Movement Source: JAPAN
Power Reserve: Approx. 41 hours
Precision: -35 to +45 seconds per day
Features: Date display at 4:30, Stop seconds hand function (hacking), Lumibrite, Diver extension
Engine: Seiko Automatic Caliber
Jewels: 23 Jewels
Caliber No: Seiko 4R35
Case Size: 41.7 mm
Lug-to-lug: 49.5 mm
Case Thickness: 12.3 mm
Band Width: 20 mm
Band Type: Chain
Dial Color: Textured Blue
Case Color: Silver Stainless Steel
Band Color: Silver
Bezel: Unidirectional Rotating Bezel (60-minute)
Bezel Color: Dark Blue
Bezel Material: Stainless Steel with Anodized Aluminum Insert
Case Material: Stainless Steel
Band Material: Stainless Steel
Water Resistance: 200 Meters / 20 ATM
Functions: Hours, Minutes, Seconds, Date, Unidirectional Timing Bezel
Calender: Date display at 4:30 position
Watch Style: Diver's Watch (ISO 6425)
Weight: 170 g
Warranty: 2 Years Service Warranty
Case Back: Screw Case Back with Tsunami Logo
Case Shape: Angular Round
Clasp: Three-Fold Clasp with Secure Lock and Diver Extender
Crystal: Hardlex Crystal
Crystal Coating: None
Crown: Screw-Down Crown
LumiBrite: LumiBrite on Hands, Hour Indexes, and Bezel Pip
Known By: SRPL51K1
The Seiko Prospex collection is built for sports lovers and adventurers across sea, land, and air. Ever since introducing Japan's first diver's watch in 1965, Seiko Prospex has set global diving standards. Every Prospex model undergoes rigorous testing to guarantee reliability in extreme environments. It embodies Seiko's relentless pursuit of functional horological excellence and durability.
Driven by the dependable Japan Seiko Caliber 4R35 automatic mechanical movement. Incorporates 23 jewels and beats at 21,600 vibrations per hour (3Hz). Offers both bidirectional automatic self-winding and smooth auxiliary manual hand-winding. Includes a stop-seconds hacking function for precise time setting and a 41-hour power reserve.
