GOLD PATEK PHILIPPE CHRONOMETRO GONDOLO, CIRCA 1900 Four body bassine 18K gold case, n. 231496, engine turned back, dome signed "Fabricado Expressamente para Gondolo & Laboriau Relojoeios, Rio de Janeiro, Chronometro Gondolo, N. 122004 Patek Philippe & C.ie Geneve”. Shaped pendant and oval bow.
Signed white enamel dial, Roman hour numerals and Arabic 5-minute markers, sunk subsidiary seconds dial. Gilt pear hands. 
Key-less and frosted gilt movement signed "Patek Philippe N. 122004 Geneve (Pat. Jan. 13 1891)”, bridge movement with jewels, wolf's tooth winding, straight-line moustache lever escapement, bimetallic cut compensated balance with screws, Breguet hairspring, cam micrometer regulator.
Diameter Ø: 54 mm | Weight: 116,9 g
Note: working.