IWC Schaffhausen and Net-A-Porter have collaborated to create a new version of the Portofino Automatic 37 in a crisp, contrasting black and white design code, reflecting the brand aesthetics of Net-A-Porter. IWC Schaffhausen collaborated with Net-A-Porter to create a new version of the Portofino Automatic 37. Since 2014, the Portofino Automatic 37 has become a staple in IWC’s women’s watches portfolio. With its reduced case diameter of 37 millimetres, it offers excellent wearing comfort on more slender wrists. This version features a stainless steel case, a black dial, and rhodium-plated hands and appliques. Twelve diamonds mark the hours on the dial. The timepiece is fitted with a fine white black leather strap with quick-change system. The crisp and contrasting design in black and white perfectly reflects the brand aesthetics of Net-A-Porter. This timeless and elegant Portofino is powered by the IWC-manufactured 32111 calibre movement. Engineered with a focus on highest precision and reliability, the movement features an automatic pawl winding system which builds up a power reserve of three days in the mainspring. The beautifully finished movement with a gold-plated rotor and blue screws and can be admired through the sapphire glass case back.