Seiko Cal. 6686 - 907

This Spring Drive model from 1965 features a 39mm Stainless Steel case. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-ede81aac5818]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1965

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