Brand new authentic Patek Philippe Nautilus, model designated as 5726/1A-014 or 57261A014. Features a stainless steel case and matching bracelet. Equipped with a stainless steel bezel. The dial is blue-black gradated with luminous index hour markers displaying the day below the 12 o'clock position, the month beneath that display, and the date at the 6 o'clock position. Powered by an automatic self-winding movement. Includes calendar functions for displaying the day of the week and month below twelve o'clock. Sub-dials feature a moonphase indication. Crown is screwed down. Secured with a scratch-resistant sapphire crystal. The case has a cushion shape measuring 40.5mm in diameter. Case back is transparent. Comes with a two-year WatchMaxx warranty.