Seiko Cal. 5658 - 203

This Spring Drive model from 1981 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-5343c9bce400]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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