Seiko Cal. 6631 - 127

The Seiko 6631-127 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-fe5b3480d257]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1983

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