With its sculpted lines and driver\'s inspired leather strap the Primo Stingray 620 has that dash of style that makes this timepiece anything but ordinary. Features include a 1/5-second chronograph that measures up to 60 minutes, 12/24-hour time and date. With a stainless steel black case, brown plated bezel and brown leather strap. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number B620.