Seiko Cal. 6313 - 359

This Spring Drive model from 1980 features a 39mm PVD Black case. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-5abd7145ff1c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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