The IWC Da Vinci Automatic IW4523 was introduced in 2007, at the occassion of a total revamp of the Da Vinci collection. This generation of the Da Vinci is charactrized by its tonneau-shaped case, which in the reference IW4523-11 is made of Rose Gold (45.20 x 35.60 mm), holding the self-winding caliber 30130. The dial is Silver.
