Introducing the new light-powered Eco-Drive movement Calibre E365. With the introduction of this new technology the timepiece can run for 365 even in complete darkness on a single charge. This model demonstrates 50-years of manufacturing development from quartz to Eco-Drive watches. - 365 Day Power Reserve - Accuracy 15 seconds/per month - Stainless Steel Black Ion Plating Case and Bracelet - Sapphire Glass - 42mm Case Size - 100 Meters Water Resistant - Date - Push Button Buckle