Seiko Cal. 5642 - 153

This Spring Drive model from 1976 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-407e1452e3d2]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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