Seiko Cal. 3873 - 631

This Spring Drive model from 1980 features a 42mm Stainless Steel case. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-908964b0d075]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

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