Patek Philippe 324 S C
ProbableThe caliber behind the 5711 Nautilus, the 5167 Aquanaut and much of the modern Calatrava line — which makes it the movement most often reproduced in counterfeit Pateks, because the 5711 is among the most valuable steel watches in the world. It is also visible: the 5711's display back means the movement can be examined without disassembly, so on this reference the movement is unusually accessible evidence. Expect a 21k gold rotor, a free-sprung Gyromax balance with no regulator index, and finishing consistent throughout rather than only where it shows.
Specifications
- Movement manufacturer
- Patek Philippe
- Production
- 2004–present
- Frequency
- 28,800 vph (4 Hz)
- Jewels
- 29
- Power reserve
- 45 hours
- Winding
- automatic
- Complications
- Centre seconds · Date
Architecture
Automatic with a central rotor in 21k gold, Gyromax balance and Spiromax silicon balance spring on later production. S C denotes seconde centrale — centre seconds — with a date.
Service practice
Silicon Spiromax balance springs were introduced during the caliber's life, so a serviced watch may carry a later spring than it left with. That is a service finding and legitimate.
Open questions
Dating the Spiromax balance-spring introduction within the 324 family
When did the silicon Spiromax balance spring enter production in the 324 family, and does the transition align with any reference change?
Scope The caliber record notes that a serviced watch may carry a later spring than it left with, which makes the spring useless as a dating input unless the original transition is known. With a date it would become a weak but real cross-check on a 5711; without one it establishes nothing either way.
Related calibers
Derivative
Patek Philippe 324 S QA LU 24HSucceeded by
Patek Philippe 26-330 S C
References using this caliber
- Patek Philippe 5227G-010Factory
Calatrava · Whole production
- Patek Philippe 5711/1A-010Factory
Nautilus · Whole production
- Patek Philippe 5167A-001Factory
Aquanaut · Whole production
- Patek Philippe 5168G-001Factory
Aquanaut · Whole production
Provenance of this record
Sources & Evidence
Patek Philippe — collection, caliber and Patek Philippe Seal documentation
Patek Philippe SA
- Accessed
- 2026-08-18
Cited for
Patek collector research on reference suffixes, case makers and dial variants
Collector communities and specialist dealers
- Accessed
- 2026-08-18
Cited for
Last verified: Not yet reviewed