Seiko Cal. 6657 - 944

This Kinetic model from 1979 features a 34mm Two-Tone case. Powered by the 6657 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-170250c71c48]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1979

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