Seiko Cal. 6631 - 907

This Solar model from 1970 features a 38mm Gold-Plated case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-bb7ab166caa8]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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