Part No.: 10421389: this is the original watch strap for Casio B640WC. Designed and manufactured by Casio themselves, this Casio strap ensures a seamless fit and preserves the authentic look of your watch. The strap features a strong buckle that ensures a secure and comfortable wearing experience. Choose quality and style with the original Casio watch strap and give your watch a new life.
This Casio strap has a 20mm width and attach with springbars to only this type of Casio watch, as the strap has a unique, special attachment.
Watchstraponline.com is official Casio retailer and can supply all original parts.
April 7, 2025
