Patek Philippe Perpetual Calendar Case: Yellow gold case 750/1000 with integrated braided yellow gold bracelet ;Dial: Silver-plated Sigma-dial with golden applied markers and indeces, month and leap year indications at 3 o'clock, date and moonphase indications at 6 o'clock, weekday and p.m./a.m indications at 9 o'clock, signed: "Patek Philippe Geneve" ;Movement: Rhodium-plated automatic movement with Geneva stripes, 22k solid gold micorotor, Gyromax balance, perpetual calendar, Geneva-seal;Cal.: 240 Q;Ref.: 3945/1;Movement No.: 770.491;Case No.: 2.831.030;Accessories: Extract from the Archives;D=: 36mm;Year: 1987; Starting Bid : 15000