Audemars Piguet Royal Oak Ultra-Thin Perpetual Calendar (2018)

aka RD2 (2018). The case is in Platinum 41mm. Movement is automatic Caliber 5133, the thickness of this movement is at 2.89mm which is a world record of the thickness. Power reserve at 40hours. Two patents are new to this watch – No: 1 the end of the month cam is integrated to the day of the month wheel, standing now at the same level as the wheel. No2: the end of the month cam is integrated to the month wheel, standing now at the same level as the wheel, this allows to have the movement with less thickness. Concept watch No pricing info available for 2018