Seiko Cal. 3864 - 502

This Spring Drive model from 1973 features a 41mm Stainless Steel case. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-d308f876a46d]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1973

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