This sporty Men's timepiece is designed with a black ion finish stainless steel case and brown leather strap. The black dial displays a date calendar with lumibrite hands and markers, while the chronograph measures up to 60 minutes in 1/5 second increments with a split time measurement function and 24-hour indicator. Radio-controlled, Radio Sync Solar Chronograph automatically receives radio signals to precisely adjust the time and calendar signal reception and result indicator. This timepiece also includes a glass caseback featuring the Seiko Prospex logo. Powered by any light energy, its Solar Cell is energy-efficient with a 6-month power reserve once fully charged. No battery change is required. 44-mm. x 8.5-in. case size Buckle closure; leather band Analog dial; Japanese quartz movement Calendar display; 3 years parts and labor warranty Solar cell battery; water resistant Material Stainless Steel