Prospex Professional Diver’s ‘Tuna’

Categories: , S23631J1

£2,150

Calibre7C46
Movement TypeQuartz
Accuracy±15 seconds per month (±1 second per day)
Case Diameter49.4mm

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Description

This watch shape is affectionately nicknamed by Seiko fans as a ‘Tuna’ – because of its larger diameter and bold shape like a tuna tin – loved for decades since its release. The accordion-style silicone strap combines high durability and comfort – a strap design invented by Seiko in 1975 as a practical solution to the expansion and contraction of a diver’s wrist at different depths.

This model features simplified indices making it easy to read underwater. Plus its case back shows the new ISO standard stating it’s diver’s watch capability and meter depth for saturation diving.

Seiko Prospex watches are designed for sports lovers and adventure seekers in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.

SPECIFICATION

Movement
Accuracy: ±15 seconds per month (±1 second per day)
Calibre: 7C46
Movement Type: Quartz
Watch Case
Case Thickness: 16.3mm
Case Diameter: 49.4mm
Case Length: 49.4mm
Lug Width: 22.0mm
Exterior
Dial Colour: Black
LumiBrite: Lumibrite on hands, indexes and bezel
Clasp: Pin buckle
Strap/Bracelet: Silicone
Other Specifications
Water Resistance: 100 bar
Crystal Type: Sapphire
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