Seiko Cal. 5644 - 613

This Solar model from 1986 features a 41mm Stainless Steel case. Powered by the 5644 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-088765a2f49f]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

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