This watch is also known as: 5038 5038 5038-G The Patek Philippe Perpetual Calendar 5038G is a limited edition of 500 pieces. This magnificent timepiece is housed in 36-mm polished and finished 18K white gold case bezel with pearl decoration and gold crown with PP logo. A snap-on case back with sapphire crystal exhibition window and black crocodile leather strap completes the look.brbrThe functional Patek Philippe Perpetual Calendar 5038G is powered by a mechanical with automatic winding using Patek Philippe Caliber 240 Q with 27 jewels 21600 vph 46-hour power reserve and off-center ball bearing microrotor in 22K gold. This mens watch is water resistant to 25 meters.brbrThe rugged Patek Philippe Perpetual Calendar 5038G also features black dial with white lance hands white-lacquered Roman numerals railway minute tracker and three sub-dials -- month and leap year sub-dial at 3 oclock position date and moon phase display at 6 oclock position and day and 12-hour AMPM indicator at 9 oclock position. A sapphire crystal is used to protect this dial.