Seiko Cal. 4531 - 513

This Quartz model from 1985 features a 40mm Titanium case. Powered by the 4531 caliber with 28j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-d9bf71986407]

Also known as: UFO, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1985

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