Seiko Cal. 6638 - 512

This Hand-Winding model from 1976 features a 43mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-f1665592042a]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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