The movement driving the Osmior Tourbillon is produced by the Manufacture Horlogère de la Vallée de Joux (MHVJ)

Leroy Wins First Prize Tourbillon at Third International Chronometry Competition

November 2013
It was with great pride the L. Leroy watchmaking team saw its research and efforts richly rewarded by receiving First Prize for Chronometry in the (…)
LeRoy "Cambio"

LeRoy "Cambio"

June 1986