Patek Philippe 240
ProbableBase for a large family of Patek complications. A micro-rotor in 22k gold sits within the movement outline; a full rotor in a watch presented as carrying a 240 is inconsistent with the caliber.
Specifications
- Movement manufacturer
- Patek Philippe
- Production
- 1977–present
- Frequency
- 21,600 vph (3 Hz)
- Height
- 2.53 mm
- Winding
- automatic
Architecture
Ultra-thin automatic wound by a micro-rotor recessed into the movement plate rather than riding above it — the alternative solution to the same height problem the 920 solves with a peripheral bearing.
References using this caliber
No catalog references are linked to this caliber yet.
Provenance of this record
Sources & Evidence
Secondary sourceCollector research
Ranfft Watch Movement Archive
Dr. Roland Ranfft (archived and maintained by volunteers)
- Accessed
- 2026-08-18
Cited for
This referenceProbable
Last verified: Not yet reviewed