The future of Baselworld, the high-end watch and jewellery trade show held annually since 1917, is in doubt with the defection of major exhibitors including Rolex, Swatch, Chopard, Chanel and Tudor. Organised by the MCH Group which also organises Art Basel in Basel, Miami Beach and Hong Kong, Baselworld was already ailing due to the high-profile exit of Swatch in 2019 citing issues including costs, and the loss of others including Dior, Seiko and Breitling....