Seiko Cal. 0721 - 663

This Kinetic model from 1966 features a 44mm Hardlex-Coated Steel case. Powered by the 0721 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-da3714bfaf88]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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