Seiko Cal. 6636 - 429

The Seiko 6636-429 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-11fc1fb1225d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

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