Patek Philippe watch from the Nautilus Annual Calendar collection. The classic Patek Philippe Nautilus Annual Calendar 40.5mm 5726A/001 men’s watch of premium quality is equipped with a reliable self-winding automatic movement (works on the amplitude of hand movement) of caliber PP324S, which realizes the following functions: hour, minute and second hands, as well as 24-hour display, date, day of the week, moon phase, month. The octagonal steel-colored watch case, measuring 40.5 mm and 12 mm high, will perfectly complement the image and decorate the wrist of its owner. The Patek Philippe Nautilus Annual Calendar 40.5mm 5726A/001 watch offered in our online store is made of 316L stainless steel of high quality (Swiss standard), as well as sapphire crystal of high strength, which provides maximum protection from chips and mechanical damage. A distinctive feature of this model is the black dial, the hour indexes of which are provided by hour markers. A black rubber strap with the signature Patek Philippe folding clasp completes the look. The water resistance of this model is 30M (WR30)- minimal exposure to water is allowed.