Seiko Cal. 6643 - 837

This Kinetic model from 1971 features a 37mm Stainless Steel case. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-e2af8af5fb64]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

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