From the Coutura Collection, This bold men’s watch is designed with a black ion finished stainless steel case and bracelet and a cabochon crown. The patterned black dial features LumiBrite hands and markers, a date calendar and three subdials with blue highlights. The blue bezel includes a world time function featuring 25 time zones. Radio-controlled, Radio Sync Solar Chronograph automatically receives radio signals to precisely adjust the time and calendar The chronograph measures up to 60 minutes in 1/5 second increments with a split time measurement function and a date calendar. 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. 100M Water Resistant