Seiko Cal. 7131 - 597

This Quartz model from 1976 features a 35mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-2d8fce35512e]

Also known as: Bullhead, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1976

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