Seiko Cal. 5643 - 652

This Spring Drive model from 1973 features a 37mm Titanium case. With its 18mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-d1d776cc14f7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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