Audemars Piguet 15407 automatic watch, Engraved dial, MCMXCIX model, Royal Oak design, Automatic movement, Sapphire caseback

The Audemars Piguet Royal Oak 15407 showcases an openworked design highlighted by a balance wheel and bridge at the 8 o'clock position. Enclosed in an integrated case secured by eight hexagonal screws, the watch measures a slim 10.1 mm including its display caseback. The meticulously finished movement bridges reveal the ordered motion of each gear, expressing the mechanical artistry and comfort of the Royal Oak's integrated-bracelet architecture.