Prospex U. S. Special Edition 1965 Heritage Diver's Watch Automatic with manual winding capability Dark gray uni-directional rotating elapsed timing bezel Light blue-gray dial patterned and gradated to suggest the icy surfaces of the perilous, yet beautiful, Alaska Moulins Date calendar LumiBrite hands and markers Screwdown crown and caseback Tri-fold push button release clasp with secure lock and extender 3 years original manufacturer warranty.