Seiko Cal. 4520 - 220

The 4520-220 is a sought-after Solar piece from Seiko's golden era. Powered by the 4520 caliber with 18j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-582ef87ad28e]

Also known as: Turtle, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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