Seiko Cal. 6657 - 603

This Kinetic model from 1979 features a 41mm PVD Black case. Powered by the 6657 caliber with 35j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-27ac4820ffd8]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

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