Seiko Cal. 5613 - 638

This Spring Drive model from 1992 features a 34mm Hardlex-Coated Steel case. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-25390ff621eb]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1992

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