The Louis Erard Excellence Le Régulateur Louis Erard x Alain Silberstein II is a 2020 limited edition of 178 pieces created in collaboration with Alain Silberstein. This watch has a titanium case of 40.00, which features an unusual lug design, and a White dial. Power comes caliber SW266-1 ND, a self-winding movement with regulator style display.