Seiko Cal. 6651 - 373

This Spring Drive model from 1968 features a 41mm Gold-Plated case. Powered by the 6651 caliber with 31j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-356a1fbf677e]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1968

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