Seiko Cal. 3871 - 312

The Seiko 3871-312 represents an important milestone in Seiko's 1990 lineup. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-dc63ec54d601]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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