Seiko Cal. 5643 - 636

This Solar model from 1990 features a 44mm PVD Black case. Powered by the 5643 caliber with 29j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-2351fbd33bc8]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1990

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