Seiko Cal. 6646 - 816

This Hand-Winding model from 1967 features a 41mm Stainless Steel case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-0183c037db27]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1967

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