Seiko Cal. 5641 - 663

This Solar model from 1992 features a 41mm Stainless Steel case. Powered by the 5641 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-339d98422a95]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1992

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