Seiko Cal. 3871 - 427

The Seiko 3871-427 represents an important milestone in Seiko's 1994 lineup. Powered by the 3871 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-3411b12552c0]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1994

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