Seiko Cal. 6631 - 769

This Automatic model from 1974 features a 45mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-58a4beec89e8]

Also known as: Bullhead, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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