Seiko Cal. 5642 - 647

This Hand-Winding model from 1989 features a 40mm Stainless Steel case. Powered by the 5642 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-de3859fec535]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1989

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