Seiko Cal. 6156 - 976

This Spring Drive model from 1977 features a 38mm Titanium case. It features a Silver dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-cd648c9d5475]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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