Seiko Cal. 5641 - 862

This Spring Drive model from 1991 features a 43mm Hardlex-Coated Steel case. Powered by the 5641 caliber with 22j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-87af217f2eb1]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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