Seiko Cal. 6131 - 312

This Quartz model from 1976 features a 42mm Gold-Plated case. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-1479a4a6589a]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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