Seiko Cal. 4558 - 509

This Solar model from 1981 features a 40mm Stainless Steel case. Powered by the 4558 caliber with 26j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-6da9c3db4e34]

Also known as: Sumo, Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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