Seiko Cal. 5642 - 811

This Spring Drive model from 1971 features a 45mm Titanium case. It features a Black dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-f74a098579b8]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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