Seiko Cal. 7031 - 731

This Kinetic model from 1970 features a 44mm Titanium case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-2753f2948a9c]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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