High-quality nylon and leather stitching strap, durable stainless steel retaining ring, bring a different experience to your watch, compatible with Casio such as W218H W-219H AE1500WH A158WA W800H AE-1000W, AE-1100, AE-1200WH, AE-1300WH, SGW-500, SGW300 , SGW-400H, W-S200H, W-735H, W-S210, W-800H , W-216/210/200, AQ-S810W, AEQ-110, F-108, MRW-200H, MRW-S300 etc. Straps with 18mm (0.7") ports. These straps also fit hundreds of other traditional and smart watches with standard 18mm lug widths