These are straps with Longines part number L682101224 which are original for the Dolce Vita Classic models with dimensions of 19.8mm x 24.5mm. The Longines branding has been removed from the inside of these straps, but the part number is listed.
Material: Genuine Leather with Calfskin Lining
12mm Buckle- For Ardillon - Tang
70mm - 105mm Length