Seiko Cal. 5642 - 990

This Spring Drive model from 1989 features a 34mm Stainless Steel case. Powered by the 5642 caliber with 18j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-96ce3b8bb6d7]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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