Seiko Cal. 4437 - 397

This Spring Drive model from 1981 features a 38mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-9e2bc12e064a]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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