Reference number 26320BA.OO.1220BA.02 Model Royal Oak Chronograph Movement Automatic Case material Yellow Gold Bracelet material Yellow Gold Year 2016 Condition Pre-owned Box & Papers Original box, original papers Case diameter 41 mm Thickness 10.8 mm Water resistance 5 ATM Bezel material Yellow Gold Glass Sapphire Glass Dial Blue Dial numerals No numerals Number of jewels 37 Bracelet color Yellow Gold Clasp Fold Clasp Clasp material Yellow Gold Powered by the Audemars Piguet calibre 2385, Audemars Piguet Royal Oak Chronograph 26320BA.OO.1220BA.02 energises the original Gerald Genta design from the early 70s. The watch features a 41mm 18-carat yellow gold case, glareproofed sapphire crystal, and screw-locked crown. The dial is blue dial with a “Grande Tapisserie” pattern, blue counters, yellow gold applied hour-markers and Royal Oak hands with luminescent coating, and an angled date display at 4 o’clock. Audemars Piguet Royal Oak Chronograph comes on a 18-carat yellow gold bracelet with a AP folding clasp. It’s functions include chronograph, hours, minutes, small seconds and date, with a power reserve of 40 hours.It is water-resistant to 50 metres. Wrist Aficionado® is independently owned and operated with boutiques located in New York and Miami. All watches are guaranteed 100% genuine with original box and warranty as well as a one-year warranty from Wrist Aficionado.