The name of the Da Vinci Tourbillon Rétrograde Chronograph alone reflects its unique status: on a single dial, it features a combination of a classic tourbillon, a chronograph and a retrograde date. IWC’s watchmakers have designed the new in-house 89900 calibre to make this distinctive constellation possible.
The most conspicuous feature of the 18-carat 5N 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. The tourbillon also features a technically complex hacking function that guarantees down-to-the-second accuracy when setting the watch.