Seiko Cal. 6631 - 727

This Solar model from 1980 features a 45mm Gold-Plated case. It features a Champagne dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-e41e6ead5d3e]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1980

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