Seiko Cal. 5643 - 762

This Spring Drive model from 1973 features a 43mm PVD Black case. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-fdcee732d3b7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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