Portofino Chronograph

From the retailer listing

IWC Portofino 42mm Chronograph Steel & Silver/Gold Dial Men's Watch IW391031. The purist, well-balanced and beautifully proportioned dial of the IWC Schaffhausen Portofino Chronograph watch captures the relaxed lifestyle of the picturesque Italian fishing village. The timepiece Features a stunning silver-plated dial adorned with gold hands and stick hour markers. The 42mm model also Features chronograph counters at 12, 6 and 9 o’clock, delicately trimmed in the same gold finish. These sub-dials offer 30-minutes, 12-hours and small seconds respectively. At the 3 o’clock location the wearer can access the day of the week and the date. A polished stainless steel case equipped with 30-meter water resistance houses the in-house developed Calibre 75320, which provides a running time of 44 hours once fully wound. In addition to this, it performs at a rate of 28,800 vibrations per hour, comprise