Seiko Cal. 6643 - 934

This Hand-Winding model from 1980 features a 39mm Stainless Steel case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-99e8a5127aab]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1980

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