Seiko Cal. 7131 - 947

This Quartz model from 1973 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d205f760c598]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1973

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