Caliber: HMC 200 (center seconds); HMC 804 (tourbillon)Functions: Hours, minutes, center seconds (center https://www.xreplicaorologi.it.com/ seconds); Hours https://www.watchesx.co.uk/Collection/jaeger-lecoultre/ and minutes (tourbillon)Diameter: 32mm (both)Thickness: 5.5mm (both)Power Reserve: Minimum of 3 days (both)Winding: Automatic (both)Frequency: 21,600 vibrations/hour (both)Jewels: 27 (center seconds), 28 (tourbillon)Additional https://www.watchesx.co.uk/Collection/iwc/ Details: One-minute flying tourbillon.