Audemars Piguet Royal Oak Perpetual Calendar

When the iconic Royal Oak came out in 1972, Audemars Piguet caused a sensation by encasing the piece in an everyday material, stainless steel. Now, nearly 45 years later, the watchmaker embraces its luxury roots with a complicated variation housed in a 41 mm yellow-gold case, the Royal Oak Perpetual Calendar (pricing as yet to […]