Seiko Cal. 6643 - 632

This Kinetic model from 1970 features a 45mm PVD Black case. Powered by the 6643 caliber with 35j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-51597eb5bc5d]

Also known as: World Timer, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

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