Seiko Cal. 5631 - 947

This Hand-Winding model from 1983 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-e16f3d8f7478]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1983

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