Technical Profile
Architecture and specifications
Movement typeAutomatic
Frequency21,600 vph
Power reserve41 h
Jewels24
ComplicationsDay-date
ArchitectureManufacture
Reliability profileProven
Service accessHigh
TimeHunter Analysis
Collector context
Day-date sibling of the 4R35. Evaluate the complete watch rather than the calibre in isolation: condition, regulation, service history and correct parts materially affect ownership quality.
A famous calibre can add historical interest, but maintenance condition remains more important than reputation alone.