Seiko SPB545J1

Men's | Limited Edition | Prospex | Prospex Diver's | Prospex 'Re-Interpretation' | Seiko Exclusive

Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition in ‘tranquil teal’

£1,300

This item will be released January 1, 2026.
Limited Edition of 4,000 pcs Worldwide
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This watch will be available in January

Description

In 1965, Seiko created Japan’s first diver’s watch, a groundbreaking timepiece that set a new global benchmark for underwater instruments. This new Prospex Diver’s 300m continues that pioneering legacy while also contributing to marine conservation.

Seiko Prospex supports the future of marine life through its Save the Ocean initiative – a mission to help protect the world’s oceans now and for future generations, and to secure this legacy for divers everywhere.

The vivid ‘tranquil teal’ blue dial evokes the sea, with LumiBrite on the hands and indices ensuring clarity in the darkest depths. Its 40mm case features a super-hard coating for durability and a unidirectional rotating bezel designed for safe diving use.

At its heart lies the in-house 6R55 automatic calibre, delivering a 72-hour power reserve and accuracy of -15/+25 seconds per day. Water resistant to 300m, it is built for professional diving environments.

Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.

Specifications

Movement
Accuracy: -15/+25 seconds per day
Calibre: 6R55
Movement Type: Automatic
Power Reserve: 72 Hours
Jewels: 24
Exterior
Dial Colour: Teal
LumiBrite: Lumibrite on hands, indexes and bezel
Case Material: Stainless steel
Strap/Bracelet: Stainless steel
Clasp: Three-fold clasp with secure lock & push button release, solid & slide adjuster
Case Diameter: 40.0mm
Case Thickness: 13.0mm
Case Length: 46.4mm
Lug Width: 20.0mm
Other Specifications
Water Resistance: 300m
Crystal Coating: Anti-reflective coating on inner surface
Crystal Type: Curved sapphire crystal
Other Specifications: LIMITED EDITION on the case back, Screw case back, Screw-down crown, Serial number engraved on the case back, Unidirectional rotating bezel, Three-fold clasp with secure lock
Watch Function: Stop seconds hand function
Magnetic Resistance: 4,800 A/m

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