Seiko Cal. 3871 - 771

The Seiko 3871-771 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-c1b0b8d918fe]

Also known as: Monster, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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