This new thin tourbillon, the Breguet Classique Tourbillon Extra-Plat Automatique 5367, is much cleaner than its predecessor
Movement Breguet 581 | Automatic | Diameter: 16 lignes | Thickness: 3 mm | Frequency: 28,800 vph (4 Hz) | Jewels: 33 | Tourbillon | Numbered and signed movement | Silicon balance-spring | Hours, minutes, small seconds on tourbillon axis | Power-reserve: 80 hours
Movement Breguet 581