Seiko Cal. 6664 - 327

This Spring Drive model from 1981 features a 37mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-bce65e9448bd]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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