IWC Schaffhausen Da Vinci Tourbillon Rétrograde Chronograph

The IWC Da Vinci Tourbillon Rétrograde Chronograph, reference IW393101, is a chronograph with a 44 mm case in 18-carat 5N gold. The watch has a flying minute tourbillon; the case is 16.8 mm thick. Calibre 89900 is self-winding and has a 68-hour power reserve. The silver dial, covered by arched-edge sapphire glass, has a date display and a flyback function. A dark brown alligator leather strap by Santoni is on the watch. The case's water-resistance rating is 30 metres. A see-through case back displays the movement. The movement consists of 375 components and has 42 jewels.