Although it is a new, unused item, it has been opened for the purpose of taking product photos. Please be aware of this. This product uses "FKM (fluoro rubber / fluoroelastomer)," a higher-grade material, instead of the typical silicone band. Compared to silicone, it has superior durability, water resistance, and sweat resistance, making it less likely to deteriorate even with prolonged wear, and providing a comfortable fit that lasts. ✅ Compatible Models Smartwatches and wristwatches with a 22mm band width * Due to the quick-release design, it can be attached regardless of the manufacturer, as long as the width is compatible. ✅ Material Fluoro rubber (FKM / fluoroelastomer) ・High density and flexible ・Excellent sweat resistance, water resistance, and durability ・Material that is less likely to deteriorate than silicone ✅ Specifications ・Quick-release type (no tools required) ・Waterproof / Sweatproof ・Breathable back design ・Suitable for both sports and business ✅ Reference Price (Amazon) 2299 yen ✅ Shipping Ships within 24 hours of purchase. ✅ Product Description A high-quality FKM (fluoro rubber) material, 22mm wide quick-release watch band. Easy to attach and detach without tools, it is widely compatible from everyday use to sports scenes. The texture is smooth and elastic, designed to be comfortable even with prolonged wear. It is resistant to sweat and water, and easy to care for, making it recommended for everyday use. With its simple and elegant design, it is a band that is easy to match with both smartwatches and mechanical wristwatches.