Collaboration watch between Patek Philippe and Tiffany & Co., model Calatrava Pilot Travel Time. 42 mm diameter, crafted in rose gold (18K). Automatic mechanical movement with hacking second and power reserve functions. Includes perpetual calendar complication valid until approximately the year 2100. Water resistant to 100 meters / 330 feet. Case finish polished/brushed. Bezel set with diamonds. Dial features Roman numeral markers, grand feu日内瓦火焰émaillée applied hour indices, diamond-set baton hands and day-of-week indicator at 6 o'clock position. Sapphire crystal glass. Clasp is triple folding with Tiffany setting. Brown alligator leather strap fitted with a rose gold tang buckle featuring the Tiffany logo. Limited edition luxury watch.