Caliber:
link R 27 PSFunctions: Hours, minutes, small seconds, minute repeaterDiameter: 28mmThickness: 5.05mmPower Reserve:
link 48 hoursWinding: Automatic, with 22k gold off-center micro-rotorFrequency: 3 Hz (21,600 vph)Jewels: 39Total Components: 342Patek Philippe SealAdditional
link Details: Spiromax balance spring and Gyromax balance