Seiko Cal. 6636 - 867

The Seiko 6636-867 represents an important milestone in Seiko's 1976 lineup. Powered by the 6636 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d76a559fa826]

Also known as: Navigator, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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