Seiko Cal. 7031 - 953

This Spring Drive model from 1996 features a 38mm Hardlex-Coated Steel case. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-fd5e991f36d1]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1996

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