Seiko Cal. 6643 - 309

This Kinetic model from 1975 features a 42mm PVD Black case. Powered by the 6643 caliber with 27j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-6adb69a1c855]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1975

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