Seiko Cal. 3871 - 178

This Automatic model from 1991 features a 36mm Two-Tone case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-942db7b74113]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1991

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