Seiko Cal. 6670 - 660

This Spring Drive model from 1973 features a 42mm Stainless Steel case. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-669508f80ef1]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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