Iwc The IWC Portofino IW359001 watch is the brand's first piece equipped with a newly developed perpetual calendar module! Unlike other models, this watch features a unique dial layout with twin sub-dials: the 12 o'clock position displays the day of the week and moon phase, while the 6 o'clock position indicates the date and month! In addition to the new functional layout, the rest of this perpetual calendar watch retains all the classic elements of the Portofino collection without compromise! The case is made of high-grade stainless steel, polished to a very smooth finish! The glass features a double-sided anti-reflective curved sapphire crystal! It is powered by a brand new movement! The watch is complemented by Italian top-grain calfskin leather paired with an original pin buckle! Suitable for various business occasions, it exudes understated elegance without losing sophistication! All watch enthusiasts are welcome to appreciate it!