Seiko Cal. 7131 - 666

This Quartz model from 1967 features a 36mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-460e1b9e304c]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1967

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