Seiko Cal. 7131 - 312

This Quartz model from 1974 features a 45mm Gold-Plated case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9260618bdfbd]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1974

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