PATEK PHILIPPE CHRONOMETRO GONDOLO
Patek, Philippe & Cie., Genève, "Chronometro Gondolo - Dr.
Joaquim Antonio de O. Portes", No. 133570, case No. 240729. Made
for Gondolo & Labouriau, Relojoeiros, Rio de Janeiro, circa 1907.
Very fine, large, 18K pink gold keyless Chronometro Gondolo
pocket watch.
Four-body, "bassine", polished, back with foliate monogram
"OP". Hinged gold cuvette.
White enamel with radial Roman numerals, outer Arabic minute
track and sunk subsidiary seconds. Pink gold spade hands.
47 mm.(21'''), frosted gilt patented bridge caliber, 21 jewels,
wolf 's tooth winding, gold wheel train, straight line "moustache"
lever escapement, cut bimetallic compensation balance with blued
steel Breguet balance spring, Wilmot's patented micrometric cam
regulator.