The Angelus U40 Racing Tourbillon Skeleton is the latest model from the revived Swiss brand Angelus that restarted in 2015
Movement Angelus A-300 | Hand-wound | Diameter: 32.8 mm | Thickness: 4.30 mm | Frequency: 28,800 vph (4 Hz) | Jewels: 23 | One-minute flying tourbillon | Hours, minutes | Power-reserve: 60 hours
Movement Angelus A-300