Seiko Cal. 6642 - 331

This Solar model from 1978 features a 37mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-18911b798569]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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