Portugieser Perpetual Calendar 44mm 18ct White Gold Blue Dial

From the retailer listing

IWC Portugieser Watch Perpetual Calendar 44,2mm Blue Dial Black Alligator Strap. IW503401 With an arched edged sapphire crystal glass caseback and luxurious 18ct white gold case, the beautifully mastered IWC Portugieser Perpetual Calendar is suited to those who like a wristwatch with an added level of functionality. The design of the watch’s rich midnight blue dial, despite its three sub-scales to depict the date, the day and the month, remains remarkable easy to read. A delicately embellished moonphase feature is located underneath the twelfth hour, decorated with silver moons and floating stars. This moonphase facility offers the highest accuracy thanks to a set of impeccable teeth that reduce deviation and slightly larger moon wheels. The IWC Portugieser watch is delivered on a classic black alligator strap which secures comfortably to the wrist. IWC focuses on space-saving as a funda