Seiko Cal. 5643 - 859

This Quartz model from 1981 features a 40mm PVD Black case. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-a274c9c4d847]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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