PATEK PHILIPPE, REF. 2526: A RARE ROSE GOLD GENTLEMAN'S BRACELET WATCH, 1954 cal. 12-600 AT automatic movement, stamped with the Geneva seal, 30 jewels, engine-turned 18 carat gold rotor, the cream enamel dial with applied gold baton numerals and a subsidiary seconds dial, circular water-resistant-type case, screw back, PP emblem to crown, detachable square link bracelet with PP emblem clasp, all 18 carat rose gold, dial, case, movement and bracelet all signed, movement No. 761.044, case No. 685.312 case 35.5mm diameter, This watch was originally purchased by the current vendor's grandfather and is accompanied by the Patek Philippe 'Extract from the Archives', confirming production of the watch and bracelet all in rose gold in 1954 and sale on 17th March 1955. Reference 2526 was Patek Philippe's first model featuring a self-winding movement, the renowned calibre 12-600 AT. Of around 3000 examples produced between 1953 and 1960, fewer than 400 were made in rose gold. Illustrated by M. Huber and A. Banberry, Patek Philippe Wristwatches, Geneva, 1998, plate 349, p. 217.