Seiko Cal. 6657 - 920

This Kinetic model from 1991 features a 37mm PVD Black case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-85744cc35e82]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1991

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