Chronograph meets tourbillonSIHH 2017: The IWC Da Vinci Tourbillon Rétrograde Chronograph (Ref. IW393101)
The most conspicuous feature of the 18-carat red gold Da Vinci Tourbillon Rétrograde Chronograph (Ref. IW393101) is the flying tourbillon. The tourbillon cage is bearing-mounted only at one end, on the underside, and is not connected to an upper bridge.