![Audemars Piguet Royal Oak Perpetual Calendar for GPHG 2017]()
The countdown to the GPHG continues, and with that our in-depth look at the final pre-selected watches … some of which have us wondering if the judges were drinking when voting. Nonetheless, today we look at the Top Six Calendar watches as pre-selected by the GPHG. The GPHG defines the “calendar “ complexity as “mechanical watches comprising at least one calendar and/or astronomical complication” (e.g. annual calendar, perpetual calendar, equation of time, complex moon-phase display, etc.). Additional indications and/or complications are…