Seiko Cal. 6631 - 702

The Seiko 6631-702 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-56e73e2a0b7c]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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