Seiko Cal. 6631 - 499

The Seiko 6631-499 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bb566709bd45]

Also known as: Turtle, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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