Seiko Cal. 6637 - 210

This Kinetic model from 1966 features a 43mm Stainless Steel case. Powered by the 6637 caliber with 21j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-4b7b5e7f041a]

Also known as: Arnie, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

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