Seiko Cal. 4437 - 229

This Spring Drive model from 1990 features a 38mm Stainless Steel case. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-9417b458c3ce]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1990

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