Seiko Cal. 7163 - 375

This Quartz model from 1966 features a 34mm Titanium case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-777b2c76b157]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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