Seiko Cal. 6660 - 641

This Hand-Winding model from 1973 features a 39mm Stainless Steel case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-9fb05090483d]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1973

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