This bold men's watch is designed with a two-tone stainless steel case and bracelet and a cabochon crown. The bold grey dial features Lumi Brite hands and markers, a date calendar and three subdials with gold highlights. The grey bezel includes a world-time function featuring 25 time zones. Radio-controlled, this Radio Sync Solar Chronograph automatically receives radio signals to precisely adjust the time, calendar signal reception and result indicator. 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. Water Resistance: 100 meters.