This watch is a .950 platinum Patek Philippe 10-Day Tourbillon Gondolo 5101P-010. It has an alligator leather strap with a .950 platinum tang buckle, and a scratch resistant curved sapphire crystal. It includes a signed pull-out winding crown and an exhibition display sapphire case back secured by 4 screws with hallmarks underneath each lug. The 30mm by 51mm two-body, three-stepped tonneau art deco case, curved bezel, and integral hooded lugs are polished. There is a hidden tourbillon regulator that rotates around its axis once every minute and can be viewed through the exhibition case back, and a top Wesselton diamond in the bottom case between the lugs at the 6 o'clock position. The dial is salmon colored with black painted Breguet-style Arabic numeral hour markers surrounded by a black perimeter railroad-style minute track, and white gold feuille leaf hands. It has two recessed subsidiary dials with black scales including a small constant seconds tourbillon dial at 6 o'clock, and a 10-day (240-hour) power reserve at 12 o'clock with a red warning sector. It includes a Certified Official Superlative Chronometer (COSC) rating and it's water resistant to 25 meters/80 feet. The 12.2mm thick case, dial, and movement are all signed. (CL-590)

The Patek Philippe 10-Day Tourbillon Gondolo 5101P-010 has a mechanical manual winding Patek Philippe caliber TO 28-20 REC 10J PS IRM caliber movement that's stamped with the Seal of Geneva Quality Mark. The movement number#3361481/(4450908) appears on the dial, movement and papers. It's rhodium plated with Cotes de Geneve embellishment, and it has tandem mainspring barrels for the 10-day power-reserve. It's constructed with