Breguet 502.3 DR1

Breguet caliber 502.3 DR1 is a manual-winding tourbillon movement introduced in 2010. Measuring 3mm thick with a 60-hour power reserve, it belongs to the in-house 500 family. The DR1 variant adds a power reserve indicator complication to the base tourbillon. It powers the Classique Tourbillon Extra-Plat and remains in production.