Seiko Cal. 7156 - 256

This Automatic model from 1968 features a 43mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b10b30c99099]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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