The Patek Philippe Calatrava Automatic Platinum (ref. 3998P) is a men's dress watch with a 34 mm round case in platinum. It has a black dial under sapphire crystal.
It is powered by the self-winding mechanical calibre 315 SC with a power reserve of 48 hours. Features: Central seconds, 950 platinum case, applied white gold markers, screw-down caseback. Water-resistant to 30 m. The watch is fitted with an alligator leather strap with a classic buckle in platinum.
This example is pre-owned and in good condition.