Seiko Cal. 6666 - 639

This Spring Drive model from 1968 features a 42mm Hardlex-Coated Steel case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-35e7b1bf9bd6]

Also known as: Pogue, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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