13mm 18mm 20mm Watch Strap for Longines Master L4 La Grande Wristband L682122618
For 20mm Width: Buckle size 18mm. for 13mm Width: Buckle size 12mm. for 18mm Width: Buckle size 16mm. for 12mm Width: Buckle size 10m. 1.1 x Watch Band. Band Material Type: Double-sided Calf Leather.