This extension of the PRX Powermatic 80 in 40.5mm features a forged carbon case. This innovative material makes each piece unique, in addition to providing lightweight durability. It Is designed for optimal performance in demanding conditions, empowering ambitious individuals to push their limits. This PRX model is the perfect companion for urban professionals seeking both functionality and a show of flair. Combining beauty and quality, the sapphire crystal, known for its exceptional scratch resistance and hardness second only to diamond, ensures enduring clarity and durability. The automatic movement delivers an impressive power reserve lasting up to 80 hours. Please only use the original strap, which you can order in an authorized Tissot retailer . The other PRX 40 straps are not suitable for this watch.