iStrap 18 19 20 21 22 24mm Genuine Calfskin Leather Watch Band Padded Strap Steel Spring Bar Buckle Super Soft(Six Color Choose) CALF SKIN LEATHER:Made of genuine calf leahter, semi-gloss. The back side is nubuck, super soft. WIDTH AND LENGTH SELECTION:width is 19/18mm, fit watches with 19mm flat lug, comes with a 18mm steel tang buckle,length is 125mm/75mm,when fixed together, the total length range is 135mm to 180mm (5 5/16'' to 7''), plus the watch case diameter, and it's the wrist range the strap will fit. SUITABLE THICKNESS:4.5mm at lug end, tapers to 2.5mm at buckle end, light padded, super soft. SUITABLE FOR WATCHE:The strap is standard style, can fit most watches, can fit Breitling, Breguet, Cartier, Casio, Citizen, Longines, Nomos, Omega, Tissot and other watches with corresponding flat lug FAST SHIPPING AND ARRIVED ON SCHEDULE: It takes about 10 days to USA .Shipped to other regions estimated delivery day is 15-20 days. Expedited shipping takes 3 to 5 days to deliver. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!