Seiko Cal. 6635 - 812

Seiko 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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seikata-wm-69a6580d9751