Seiko Cal. 6638 - 571

This Hand-Winding model from 1976 features a 34mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-4c72c72aa6f7]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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