Seiko HBC010J1

Men's | Prospex | Prospex Diver's | Prospex 'Re-Interpretation' | Prospex PADI

Prospex 1965 Limited Edition European Exclusive in Calmwater Green

£1,500

This item will be released September 1, 2026.

European Limited edition of 1,400 pieces

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This watch will be available in September

Description

This limited-edition timepiece is exclusively available in Europe, with only a few in the UK.

In 1965, Seiko created Japan’s first ever diver’s watch, a groundbreaking timepiece that began the brand’s heritage in innovative diving watch designs.

This 300m Air Diver features a deep green dial with LumiBrite on the hands and indices ensuring clarity in the darkest depths. The deep green dial is inspired by calm waters, creating using a sunray finish that captures the light like ripples on a surface. It has gold-coloured accents for a touch of elegance. Its 40mm case features a super-hard coating for durability and an aluminium insert unidirectional rotating bezel designed for safe diving use. It is paired with an additional black silicone strap.

The watch is powered by 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: Green
LumiBrite: Lumibrite on hands, indexes and bezel
Case Material: Stainless steel
Strap/Bracelet: Stainless steel, Silicone
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: Sapphire crystal
Other Specifications: Screw case back, Screw-down crown, Unidirectional rotating bezel, Three-fold clasp with secure lock
Watch Function: 24-hour hand (dual time display function), Stop seconds hand function
Magnetic Resistance: 4,800 A/m

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