Seiko Cal. 0731 - 973

This Spring Drive model from 1967 features a 39mm Titanium case. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-a870dd1441d7]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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