Seiko Cal. 6643 - 373

This Spring Drive model from 1993 features a 35mm PVD Black case. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-d2a7ed110181]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1993

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