Seiko Cal. 3891 - 670

This Automatic model from 1982 features a 44mm PVD Black case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-cf5fb64680d4]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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