Seiko Cal. 0740 - 643

This Automatic model from 1971 features a 43mm Titanium case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-41acefc967fd]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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