Seiko Cal. 6631 - 942

This Quartz model from 1980 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-bc9130fa988f]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1980

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