Seiko Cal. 4520 - 217

This Solar model from 1971 features a 42mm Titanium case. Powered by the 4520 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-d9eabd7f30f1]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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