Seiko Cal. 6631 - 896

This Spring Drive model from 1971 features a 43mm Gold-Plated case. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-f279212a0c46]

Also known as: Rally, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1971

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