Seiko Cal. 6635 - 812

The Seiko 6635-812 represents an important milestone in Seiko's 1970 lineup. Powered by the 6635 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-69a6580d9751]

Also known as: UFO, Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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