Seiko Cal. 5636 - 639

This Hand-Winding model from 1991 features a 42mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-63dbcc5ca75c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1991

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