Seiko Cal. 3891 - 400

This Automatic model from 1967 features a 36mm PVD Black case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-0dea22aa64bf]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

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