The IWC Portugieser Perpetual Calendar 44 watch has an automatic movement inside of a 44.40mm 18K white gold case. The sparkling beige dune dial is protected by sapphire crystal. Complications include a power reserve display and a perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase. The black leather strap includes a deployant clasp. Water resistant to 50 meters.