Seiko Cal. 6131 - 123

This Spring Drive model from 1973 features a 44mm PVD Black case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-a29bbd4aa534]

Also known as: Shogun, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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