Seiko Cal. 5643 - 142

This Hand-Winding model from 1990 features a 41mm Hardlex-Coated Steel case. Powered by the 5643 caliber with 28j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-16df0a7b3776]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1990

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