23mm Silicone Convex Interface Watchband fit for Swatch YOS440/413/424

Crafted from premium silicone, this 23mm watch strap features a convex (raised) interface that precisely matches the case back recess of the YOS440/413/424 models, ensuring a flush, gap-free fit for a seamless integrated appearance. Specifically designed for 23mm lug width chronograph models, the raised middle section sits perfectly against the watch body, eliminating wobble while the durable silicone resists sweat, moisture, and daily wear. The high-quality flexible silicone material offers exceptional comfort during extended wear, making it ideal for sports activities or everyday use, with a classic tang buckle providing secure, reliable fastening. The subtle textured finish adds a refined sporty aesthetic that complements the chronograph styling of these models, with multiple adjustment holes accommodating a wide range of wrist sizes for a personalized fit. Lightweight, hypoallergenic, and waterproof, this silicone strap is built to withstand moisture and sweat, ensuring lasting durability and comfort whether you're at the gym or in the office.