Seiko Cal. 6636 - 360

The Seiko 6636-360 represents an important milestone in Seiko's 1971 lineup. Powered by the 6636 caliber with 31j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-67837c9b9a14]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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