Seiko Cal. 6631 - 683

This Quartz model from 1976 features a 43mm Gold-Plated case. Powered by the 6631 caliber with 23j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-66de6b5c09c1]

Also known as: Shogun, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1976

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