Seiko Cal. 6643 - 465

This Spring Drive model from 1992 features a 35mm PVD Black case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-8947947e82e7]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1992

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