This is the 2006 JUMBO Patek Phillipe Nautilus ref. 5711/1A/001 in stainless steel, measuring 43mm. This fine watch is UNUSED and comes with all boxes, papers, hang tags-complete. The automatic winding caliber 315 SC features a heavy 21k. gold rotor. The ribbed dial is a subtle blue-black colour and features white gold glowing markers. The three part hinged case with sapphire crystal is water resistant to 120 meters. This modern and refined case was designed by GERALD GENTA in 1976 and still continues to AMAZE watch lovers. This is a true classic PATEK PHILLIPE your son will inherit and treasure.