Seiko Cal. 3871 - 964

This Automatic model from 1988 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-41b05634e8f8]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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