Seiko Cal. 3887 - 141

The Seiko 3887-141 represents an important milestone in Seiko's 1989 lineup. Powered by the 3887 caliber with 19j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-b8726f6b5033]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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