Seiko Cal. 6637 - 210

Seiko 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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