Seiko Cal. 3866 - 821

This Hand-Winding model from 1980 features a 46mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-e3fa31be3c91]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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