The Patek Philippe Ultra-Thin Watch features a self-winding mechanical Caliber 240 Q movement. It has a silvery sunburst dial with gold applied numerals and minute scale. The case is made of white gold, measuring 35.1 mm in diameter and 8.7 mm in thickness, and is water-resistant up to 30 meters. The bezel is set with 68 diamonds (~0.68 ct), and the prong buckle is adorned with 27 diamonds (~0.2 ct). The watch comes with a shiny gray alligator strap (originally fitted) and an additional shiny turquoise green strap, both with square scales and hand-stitched.