12 of July of 2017
The IWC Portofino Hand-Wound Tourbillon Rétrograde is the first Portofino to show a whirlwind. The box with a diameter of 45 millimeters is made of 18 carat red gold. The hands are gold plated and the appliqués are solid gold. The sapphire glass on the back allows you to see the caliber. The watch also has a retrograde date display and power reserve indicator.