The IWC Da Vinci 36 Moonphase IW4583 was launched in late 2016 in anticipation of SIHH 2017. It marks a return of the style of the original 1985 Da Vinci Perpetual 3570, with a stepped round case and movable lugs. The IW4583 has a case of 36mm, which houses the self-winding caliber 35111. It features a date window at 6:00. With reference IW4583-09, the red gold case is paired with a silver-plated dial and a leather strap by Santoni.
