Seiko Cal. 6664 - 680

This Solar model from 1971 features a 40mm Stainless Steel case. With its 20mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-4d8ea2e9d3b7]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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