Seiko Cal. 6397 - 561

This Spring Drive model from 1976 features a 43mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-d01174044128]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1976

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