Seiko Cal. 3871 - 574

The Seiko 3871-574 represents an important milestone in Seiko's 1989 lineup. Powered by the 3871 caliber with 31j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-d409b3eedf83]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1989

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