Seiko Cal. 3871 - 923

The Seiko 3871-923 represents an important milestone in Seiko's 1986 lineup. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-960198b723a9]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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