Seiko Cal. 7187 - 629

This Spring Drive model from 1976 features a 43mm Stainless Steel case. Powered by the 7187 caliber with 18j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-37f81dd6a91f]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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