Seiko Coutura Radio Sync Solar Dual Time. This bold men’s watch is designed with a stainless steel case and bracelet and a cabochon crown. The bold blue dial features lumibrite hands and markers, a day and date calendar and dual time function. The bezel includes a world time function featuring 25 time zones. Radio-controlled, Radio Sync Solar Dual Time receives radio signals to precisely adjust the time and calendar signal reception and result indicator. 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