1.This band is Panerai Style Watchband ?? Vintage &Thick (2mm-6mm approx.). Front side: Vegetable tanned Leather(calfskin) ?? Back side :Genuine Calfskin . With brushed end stainless steel large buckle .</br>2. Width :24mm ??Buckle Width: 22mm . Can fit for both traditional watch and Smart watches with 24mm lugs ??please measure it seriously.we will send high quality Spring bars (2pieces)and remover (1piece)?? you can change &fit it by yourself</br>3.Length : 125mm /80mm (without buckle )?? 7 holes ??can fit for 160mm-220mm (6.5"rist approx..</br>4.Can fit different Watches ?? Classical watch ??smart watch li