Seiko Cal. 5621 - 920

This Spring Drive model from 1989 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-820353f66ca0]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1989

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