Seiko Cal. 3855 - 900

The Seiko 3855-900 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-86ff5a36f93e]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

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