Patek Philippe & Cie. Genève, "Chronometro Gondolo", 56 mm, circa 1907. 24h indicator and auxiliary seconds - delivered to Gondolo & Labouriau Relojoeiros Rio de Janeiro. 18k yellow gold case, enamel dial, bridge movement, screw compensation balance. 24 on the top of dial is even more rarer than 0 on the top.