Audemars Piguet Royal Oak Perpetual Calendar vs Audemars Piguet Royal Oak "Jumbo" Extra-Thin

Side-by-side at a glance. Click a watch above to open the full reference page.

	Audemars Piguet 26574ST.OO.1220ST.01	Audemars Piguet 15202ST
Model	Royal Oak Perpetual Calendar	Royal Oak "Jumbo" Extra-Thin
Caliber	AP Caliber 2120 (automatic, perpetual calendar, 40-hour power reserve)	JLC/AP Cal. 2121 -- ultra-thin in-house automatic, 19,800bph, 40h PR, 36j; only 3.05mm thick; micro-rotor; developed jointly with JLC as base for 2120
Case size	41mm	39mm
Lug-to-lug	47mm	44mm
Years produced	2010–present	2012–2022
Brand tier	top-luxury	top-luxury
Era	modern	modern
Movement tier	In-house manufacture	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	dress, integrated-bracelet	integrated-bracelet, sport
Editorial	yes	yes
Typical price (2026)	$45,000 – $65,000	$28,000 – $38,000
Collector note	n/a	most sought: The 39mm "Jumbo" thin-case Royal Oak in steel; the closest current production comes to the 1972 original.
Named dial variants	n/a	2 variants