Patek Philippe Aquanaut Travel Time "Advanced Research" vs Patek Philippe Aquanaut

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

	Patek Philippe 5650G-001	Patek Philippe 5167A-001
Model	Aquanaut Travel Time "Advanced Research"	Aquanaut
Caliber	Patek Cal. 324 S C FUS -- automatic with date and second time zone, 28,800bph, 45h PR, 29j; Gyromax balance; used in Calatrava Pilot 5524G	Patek Cal. 324 S C -- automatic with date, 28,800bph, 45h PR, 29j; Gyromax balance, Spiromax hairspring; used across Calatrava and Aquanaut lines
Case size	40.8mm	40mm
Lug-to-lug	49mm	48mm
Years produced	2017	2007–present
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, gmt-worldtime	integrated-bracelet, sport
Editorial	yes	yes
Typical price (2026)	$85,000 – $120,000	$32,000 – $48,000
Collector note	n/a	best value: Steel Aquanaut at list price is rare at authorized dealers but trades at a smaller secondary premium than the Nautilus, making it the more accessible Patek sport reference.