Corum Bubble 47 Central Tourbillon by Label Noir (2023). Case is in grade 5 titanium treated with black ADLC) at 47mm; the bezel also in grade 5 titanium coated with satin black ADLC, right down to the plate. Automatic central Tourbillon CO 406 caliber. Power reserve is 65 hrs Unique piece Priced at CHF 95,000