Though the dial design – Arabic numerals with a railway minute track – was utilised on a first generation Portugieser Perpetual Calendar in platinum, it was done in the smaller case size. The new IWC Replica 44.2mm case, which is 14.9mm high, making it a hefty chunk of metal.
It has a trademark dual moon phase display at 12 o’clock, which can indicate the age of the moon in the northern and southern hemispheres, and another iconic perpetual calendar function of Swiss IWC Replica, which is a four-digit year display.
All calendar functions are pre-programmed, can be synchronized and set via the crown, but only forward. If the calendar is ahead of the current date, resetting the calendar requires visiting a service center or waiting for the actual calendar to catch up.
The movement inside is the cal. 52615, based on IWC’s second generation seven-day automatic that has Pellaton winding and twin barrels. As with all precious metal case IWC copy watches, the movement is fitted with 18k red gold rotor; steel watches get a brass rotor with an inlaid gold medallion.