Seiko Cal. 6636 - 700

The Seiko 6636-700 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-7a96cd007a02]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1977

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