Rubber/stainless Steel Watch Band Strap Fit Cartier Must 21 Chronoscaph & Autoscaph (20mm) New Rubber/Stainless Steel Watch Band Strap Fit Cartier 21 Chronoscaph & Autoscaph 20mm Color: Black / Band Width: 20mm Length: Total 190 mm Thickness: 3.5 mm tapering to 1.5 mm Material: Rubber/Stainless Steel