The Vacheron Constantin Traditionelle Tourbillon 6000T-000P-B974 is a limited edition of 2 x 5 pieces (6000T-000P-B973 & 6000T-000P-B974) created in 2021 to commemorate the 25th anniversary of the brand's Ginza, Tokyo boutique. This watch has a platinum case and a blue-grey dial made of solid gold.