Seiko Cal. 4520 - 166

This Solar model from 1971 features a 43mm Titanium case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-aa9e57de46cc]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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