Measuring 41mm in diameter and 9.8mm in thickness, the case is crafted from 18-carat pink gold and fitted with a glareproofed sapphire crystal and caseback. A screw-locked crown completes the case, which is water resistant to 50 metres.
The silver-toned dial showcases the Royal Oak's hallmark "Grande Tapisserie" pattern alongside pink gold applied hour-markers and Royal Oak hands finished with a luminescent coating. The watch is worn on an 18-carat pink gold bracelet secured by an AP folding clasp.
Reference 15400OR.OO.1220OR.02 is presented complete with its original box and store papers, making it a well-documented example of this enduring Audemars Piguet design.