Swiss stainless steel split seconds chronograph Circa 1960

Stainless steel keyless lever watch
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A Swiss stainless steel open faced keyless split seconds chronograph pocket watch made by Longines in Geneva, circa 1960. The manual wind movement with 21 jewels. Silvered dial with black Arabic hours, an outer minute track with fifth of a second divisions and Arabic five minute numerals, sunk subsidiary seconds at 6 o’clock and a 30 minute register at 12, blued steel leaf hands and blued steel center chronograph hands. The polished hinged case with a hinged cuvette, start/stop button through the crown at 12 o’clock and split seconds button at 11. Dial and case signed, movement signed and numbered. Comes with its fitted presentation box.
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