Swiss silver open faced marksman’s pocket watch Circa 1912

Silver commemoration watch by Longines
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A rare Swiss silver open faced marksman’s pocket watch, circa 1912. Movement calibre 19.71. Cuvette engraved with medals and Longines 5 Grand Prix Paris-Anvers-Paris Milan Bruxelles. White enamel dial with Arabic hours, outer minute divisions, subsidiary seconds, and gold Louis XV hands. Relief case, the back engraved Bernisches Kantonel Schützenfest 1912 Herzogenbuchsee. Case numbered, dial signed, movement signed and numbered, case and movement with matching numbers. Accompanied by a marksman’s card.
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Diameter: 52 mm
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Weight: 100 g
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Signed: Longines