Seiko Cal. 5636 - 890

This Spring Drive model from 1987 features a 43mm Stainless Steel case. Powered by the 5636 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-0d4db1bb007f]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1987

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