Breguet 3795 Tourbillon & Perpetual Calendar - Classique Grandes Complications

Breguet 3795 Tourbillon & Perpetual Calendar - Classique Grandes Complications. Openworked version of the 3797 Classique Grandes Complications wristwatch. Both models revealed at Baselworld 2014. Hand-wound movement with tourbillon and perpetual calendar showing the day, the date, the month and the leap years. Running seconds on the tourbillon shaft. Breguet balance-spring. Diameter: 41mm. The dial disappears to make room for a skeleton vers