Patek Philippe Nautilus (first generation) vs Patek Philippe Nautilus (modern steel)

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

	Patek Philippe 3700/1A	Patek Philippe 5711/1A-010
Model	Nautilus (first generation)	Nautilus (modern steel)
Caliber	Patek Cal. 28-255 C -- ultra-thin automatic with date, 19,800bph, 40h PR, 29j; 3.71mm thick; integrated winding; used in 3700 Nautilus	Patek Cal. 26-330 S C -- automatic with date, 28,800bph, 35-45h PR, 29j; Gyromax balance, Spiromax hairspring; used in 5711 Nautilus
Case size	42mm	40mm
Lug-to-lug	48mm	48mm
Years produced	1976–1990	2006–2021
Brand tier	top-luxury	top-luxury
Era	vintage	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	yes	yes
Typical price (2026)	$80,000 – $150,000	$120,000 – $180,000
Collector note	landmark: The Genta-designed original Nautilus; the porthole case language it introduced is still in production fifty years later.	most sought: Last steel three-hander Nautilus before the line expanded; secondary premiums remain significant despite high original production numbers.
Named dial variants	n/a	1 variant