Seiko Cal. 6658 - 500

This Kinetic model from 1975 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-8ccbd3369c04]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1975

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