Seiko Cal. 3866 - 385

The Seiko 3866-385 represents an important milestone in Seiko's 1976 lineup. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-29df1914146d]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1976

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