Seiko Cal. 4520 - 523

This Solar model from 1965 features a 40mm Two-Tone case. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-ed488f561873]

Also known as: Monster, Goldfeather

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1965

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