Seiko Cal. 4517 - 591

The 4517-591 is a sought-after Solar piece from Seiko's golden era. Powered by the 4517 caliber with 24j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-4380bf5df6ea]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

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