Seiko Cal. 5643 - 772

This Quartz model from 1981 features a 37mm PVD Black case. With its 18mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-4103ea16749a]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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