Seiko Cal. 5638 - 708

This Spring Drive model from 1983 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-3debf4e03607]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1983

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