Seiko Cal. 3866 - 842

This Hand-Winding model from 1972 features a 41mm Hardlex-Coated Steel case. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-ebf6c8b93901]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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