Audemars Piguet Royal Oak Quantieme Perpetuel, steel / platinum, steel / platinum bracelet, black dial, self-wind, perpetual calendar with moon phase and leap year sub-dial, calibre 2120/2802, sapphire crystal, see-thro?back, case diameter: 38, 7 mm, case height: 9, 5 mm, reference number: 25820 SP 00.0944 SP 02, box and papers
