Seiko Cal. 6643 - 874

This Hand-Winding model from 1979 features a 46mm Gold-Plated case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-e8ef5cdc0c85]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1979

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