At StrapXPro, we are dedicated to bringing the joy and benefits of wearing rubber watch straps to watch lovers by developing and bringing forth the best-looking yet affordable rubber watch straps out there. Unlike most flat-end universal straps that one may easily find on the market, StrapXPro’s tailor-designed curved end watch straps fit perfectly to the specified model; our goal is to achieve a gapless precise design for every watch and allow the high quality vulcanized rubber to unify with the watch perfectly. High-quality vulcanized rubber is used for all StrapXPro rubber straps. LXH1C is s revolutionary design for the Longines Hydroconquest/ Conquest; its premium FKM vulcanized rubber offers extraordinary comfort. With a quick-release system installed onto the curved-end LXH1C, its performance and comfortability are taken to a next level.All StrapXPro rubber straps were tested and fine-tuned to their maximum performance. StrapXPro rubber watch straps are strongly resistant to sweat, dust, odors, and UV radiation. Our waterproof rubber straps undergo rigorous stretching and tearing tests to ensure their durability; nevertheless, our StrapXPro Watch Straps are FDA, RoHS and REACH-certified.StrapXPro Premier Series rubber watch strap is a creation that craftily offers a 3D bracelet design; the wrist curved angles are precisely calculated to provide an ergonomically comfortable fit.There is a choice of an IP black color 316L stainless steel pin buckle or a brushed silver 316L stainless steel pin buckle that allows you to match the color of your watch collection. The tailormade StrapXPro Premium Series curved end watch strap is the best choice for your Longines Hydroconquest & Conquest watches. StrapXPro respects each individual preference and always encourages each individual to express their personality and uniqueness with our products. StrapXPro rubber watch straps come in various colors; it is fun and joyful to mix and match with our accessories as well.