Seiko Cal. 6632 - 744

This Quartz model from 1991 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-9c8369f43b22]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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