Compared to the Cal.3120 with a frequency of 21,600 vibrations, the Cal.4302 installed in this watch achieves high accuracy with a high beat of 28,800 vibrations. The power reserve has also been improved from approximately 60 hours to approximately 70 hours, enhancing its practicality.

"11.59" refers to 11:59, just before a new day begins. The new series "CODE11.59", announced by Audemars Piguet for the first time in 26 years at SIHH2019, combines parts of different shapes to achieve a new three-dimensional expression of the watch.

The arched silhouette creates a unique visual effect that interacts with depth, perspective and light, creating a contemporary sapphire crystal with two curved lines: the inner surface is domed and curves vertically from 12 o'clock to 6 o'clock.