The Patek Philippe 5180/1R Calatrava Skeleton is a masterpiece of craftsmanship, featuring an ultra-thin self-winding caliber 240 SQU movement that is fully skeletonized, hand-decorated, and hand-engraved—requiring about 130 hours of work. The elegant 39 mm rose gold case and matching bracelet showcase the intricate movement, visible through a sapphire crystal case back. Water resistant to 30 meters, this exceptional timepiece celebrates rare handcrafts and timeless artistry, with the Patek Philippe Seal logo engraved on the winding rotor for the first time.