Concord C1 World Timer Men's Watch 0320098. This watch has a black DLC treated 47mm stainless steel case with a 42-hour power reserve mechanical self-winding Dubois Depraz movement. The dial is black engine-turned with a gray sub-dial indicated world time, silver indexes, and a date window covered by a scratch-resistant sapphire crystal. The strap is black vulcanized rubber with a stainless steel black DLC treated clasp. Water resistant up to 200 meters.