Seiko Cal. 6670 - 103

This Spring Drive model from 1973 features a 37mm Hardlex-Coated Steel case. With its 20mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-8bf6dec228a3]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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