GENTLEMAN'S PATEK, PHILIPPE & CIE (GENEVA) 18K YELLOW GOLD OPEN-FACE POCKET WATCH ON CHAIN,late 19th-early 20th century. Made for Gondolo & Labourian, Rio de Janeiro. Engine-turned case no. 280548; movement no. 179237. Whie enamel dial with black Roman numerals; gold hands; subsidiary seconds dial. On 14 1/2 in. gold chain with swivel and spring-ring - D: 1 3/4 in. Estimate $1,000-2,000