Enjoy the when-cutting-edge-technology-meets-traditional-horology design with this complex watch from Frédérique Constant. Alongside the perennial high-end luxury features - textured leather strap, convex sapphire glass, rose gold-plated stainless steel case and traditional Swiss craftsmanship, this elegant watch from the Horological Smartwatch collection has bi-directional communication with iPhone and Android Apps ensure by the patented MotionX®. While the Frédérique Constant Horological Smartwatch does connect to your smart phone, it can function entirely autonomously with its sensors. It can track your sleep patterns as well as your walking and running activity. The Sleeptracker is clinically proven to track sleep patterns within 95% accuracy of professional polysomnography sleep machine, while the MotionX motion tracker engine encapsulates years of research and development on the biomechanics of natural human motion and the mechanics of machine motion. With its low-power solution, the smartwatch does not need to be recharged and maintains around 25 months autonomy with a regular watch battery cell.