Premium nylon and leather splicing strap, stainless steel fixing ring is strong and durable, bringing a different experience to your watch, compatible with Casio SGW-100, SGW-200, GW-3000B, GW-3500B, PAS-400B, PAS410, PAW1300 The same type of strap, the interface size is 24mm mm, and the concave interface is 12mm. Please check the strap size before purchasing