The watch is first sent to Relleb and authenticated by hand by an experienced Audemars Piguet watchmaker. The outcome of the assessment is documented in a detailed report.
Money is safely stored on the Escrow account until our watchmakers have authenticated the watch. Payout to the seller will be done after the authentication is successfully finalized.
Receive updates at each step of the journey, including pictures and an explanation of the authentication and condition assessment.
ROYAL OAK OPENWORKED PERPETUAL CALENDAR Selfwinding perpetual calendar watch indicating the day, date, moon phases, month and leap years. Stainless steel case, transparent dial, stainless steel bracelet. WATCH Ref #25829ST.OO.0944ST.01 CASE Stainless steel case, sapphire crystal and caseback CASE SIZE 39 mm WATER RESISTANCE 20 m CASE THICKNESS 9.3 mm DIAL Sapphire dial with white indicators, blackened gold hands. BRACELET Stainless steel bracelet with AP folding clasp CALIBRE Calibre 2120 / 2802 Manufacture TOTAL DIAMETER 28.4 mm (12½ Lignes) FREQUENCY OF BALANCE WHEEL 2.75 Hz (19,800 vph) TYPE OF OSCILLATING WEIGHT Support and weight segment in 21-carat gold NUMBER OF JEWELS 38 CALIBRE Calibre 2120 / 2802 Manufacture TYPE OF BALANCE-SPRING STUD-HOLDER Mobile stud POWER RESERVE 40 hours BALANCE-SPRING TYPE With Variable inertia blocks DIRECTION OF AUTOMATIC WINDING Bidirectional NUMBER OF PARTS 343 FUNCTIONS Perpetual calendar with day, date, moon phases, months, leap years, hours, minutes Extra-thin movement Suspended barrel Shake of the oscillating weight garanteed thanks to annular ring running on four jewels. Manual finishing of the bridges (polished bevels, satinbrushed edges, Perlage on the recesses) Hand crafted decorative engravings on oscillating weight componants Moonphase made with Physical Vapor Deposited metal onto sapphire Oscillating weight can be custom decorated upon customer's request
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