Seiko Cal. 3866 - 735

This Spring Drive model from 1971 features a 37mm Stainless Steel case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-80e1da3ba762]

Also known as: Samurai, Panda

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1971

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