Seiko Cal. 0731 - 579

This Automatic model from 1973 features a 46mm Titanium case. Powered by the 0731 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-3cf8105bf7ce]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

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