Seiko Cal. 5631 - 569

The Seiko 5631-569 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-3559b27be12c]

Also known as: UFO, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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