Swiss stainless steel split seconds chronograph Circa 1950

Stainless steel lever watch
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A Swiss stainless steel open faced keyless split second chronograph pocket watch made by Omega S.A. in La Chaux-de-Fonds, circa 1950. The manual wind movement with 21 jewels. Silvered dial with black Arabic hours, an outer minute track with Arabic five minute numerals, outermost tenth of a second divisions, blued syringe hands, and blued and red center chronograph hands. The polished case with a snap-on back, chronograph through the crown and a split second button to the band at 11 o’clock. Dial and case signed, movement signed and numbered. Comes with the original presentation box.