Seiko Cal. 4575 - 831

This Quartz model from 1977 features a 42mm Titanium case. Powered by the 4575 caliber with 27j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-b589c3e99d1e]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1977

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