MaxBezel

https://maxbezel.com/audemars-piguet/royal-oak-15500st/
The Audemars Piguet Royal Oak 15500ST, introduced in 2019, represents a significant evolution of the iconic 41mm Selfwinding model. It replaced the popular reference 15400, bringing substantial updates, most notably the new in-house Calibre 4302 movement. The date window has been repositioned to the edge of the dial, correcting a common critique of its predecessor and creating a more balanced visual harmony. This refinement, combined with a cleaner dial design featuring longer applied hour markers, gives the 15500ST a more contemporary and premium aesthetic. It is a masterclass in subtle but impactful design improvements.