Seiko Cal. 3887 - 254

The Seiko 3887-254 represents an important milestone in Seiko's 1984 lineup. Powered by the 3887 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-c9b6463bccf2]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1984

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