Audemars Piguet Royal Oak Selfwinding 37 (50th Anniversary) vs Audemars Piguet Royal Oak (second-gen "the small Royal Oak")

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

	Audemars Piguet 15550ST.OO.1356ST.02	Audemars Piguet 14790
Model	Royal Oak Selfwinding 37 (50th Anniversary)	Royal Oak (second-gen "the small Royal Oak")
Caliber	AP Cal. 5900 -- Vaucher-based automatic, central rotor, 28,800bph (4Hz), 60h PR, 29j, 186 components; used in the 37mm Royal Oak Selfwinding introduced for the 2022 50th anniversary, with a commemorative "50 years" oscillating weight on first-year production	AP Cal. 2125 -- in-house automatic, 21,600bph, 40h PR, 33j; 21k gold full rotor (not a micro-rotor); direct derivative of Cal. 2124, a separate AP family from the JLC-derived Cal. 2120/2121; produced 1987-1997
Case size	37mm	36mm
Lug-to-lug	n/a	43mm
Years produced	2022–present	1992–2003
Brand tier	top-luxury	top-luxury
Era	modern	neo-vintage
Movement tier	Unclassified movement	Unclassified movement
Market median (excellent / full-set)	n/a	n/a
Typical range	n/a	n/a
Confidence	low	low
Categories	integrated-bracelet, sport	integrated-bracelet, sport
Editorial	n/a	yes
Typical price (2026)	n/a	$18,000 – $26,000
Collector note	n/a	sleeper: Mid-size Royal Oak from the 1980s-1990s trades at a significant discount to the current 15202 yet shares the core Genta design language.