Seiko Cal. 3880 - 861

The Seiko 3880-861 represents an important milestone in Seiko's 1985 lineup. Powered by the 3880 caliber with 34j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-103b4c29aea1]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1985

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