【Replacement 18mm Silicone Strap for Casio LF-20W – Soft Waterproof Band for Student Watch】 – Premium replacement strap (硅胶表带) designed for Casio LF-20W series. Features 18mm universal lug width- – compatible with LF-20W’s compact 37.8×33.7mm resin case--. Crafted from soft, skin-friendly silicone – waterproof, sweat-proof, and far more comfortable than the factory bio-based resin band--. The perfect upgrade for students and daily wearers who want a durable, easy-to-clean strap that won’t crack or stiffen over time.
Universal 18mm Fit for Casio LF-20W & More – Specifically sized for Casio LF-20W’s 18mm lug width-. The standard 18mm interface ensures a secure, gap-free installation. Also compatible with F-91W, A158W, A168W, W-218H, and most 18mm Casio models.
Soft Silicone – Upgrade from Factory Resin – The original LF-20W band is made of bio-based resin-- – durable but can stiffen and crack over time. Our silicone strap offers:
Superior flexibility – conforms comfortably to your wrist
Waterproof & sweat-proof – perfect for daily wear and sports
Easy to clean – just rinse and wipe dry
Available in multiple colors – Black, White, Navy, Green, Red, and more
Student-Friendly Design – The LF-20W is a popular student watch with its twin-graph display, world time, stopwatch, and alarm functions-. This replacement strap keeps your watch looking fresh and feeling comfortable – whether you’re in class, at the gym, or out with friends. The lightweight 23g design- is preserved with this soft, flexible strap.
DIY-Friendly Installation – No Special Tools Required – Direct replacement for the original strap. Uses standard spring bars- – simply remove the old strap, slide in the new one, and secure. No special skills or tools required. Complete with spring bars included.
Important Note on Case & Gasket – Replacement resin cases and back cover gaskets for the LF-20W are not widely available as aftermarket parts-. If your case or waterproof seal is damaged, we recommend contacting Casio official service centers for genuine replacement parts-. This listing includes the silicone strap only – case and gasket not included.
