Seiko Cal. 7131 - 372

This Spring Drive model from 1967 features a 44mm Titanium case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-664cffe804da]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1967

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