Seiko Cal. 6657 - 660

This Kinetic model from 1981 features a 41mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-cbb7d8b0c4d0]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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