L. Leroy L512 / LL512

Caliber L512 is an automatic tourbillon movement with regulator display, manufactured in the Vallée de Joux by sister company NHVJ and assembled by L. Leroy in Le Sentier. Measuring 28.20mm in diameter and 4.90mm thick, it beats at 28,800 vph (4 Hz) with a 52-hour power reserve. The regulator layout positions the minutes hand at center, the hours sub-dial at 6 o'clock, and seconds display on the rotating tourbillon carriage. The movement belongs to the Osmior family and is now discontinued.