In 2018, the Audemars Piguet Royal Oak Perpetual Calendar 26597PT.OO.1220PT.01 made its debut, limited to 20 pieces. Its platinum case and bracelet are paired with a black dial.
Movement Type
Automatic
Caliber
AP 5134Jewels
38
Reserve
40
Frequency
19800
Hands
No Seconds
Shape
Other
Material
Platinum
Glass
Sapphire
Thickness
9.50 mm
Diameter
41.00 mm
Water Resistance
20.00 m
Dial Color
Black
