Seiko Cal. 6631 - 970

This Quartz model from 1972 features a 46mm Stainless Steel case. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-7951f66e89e3]

Also known as: Crown, Flighty

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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