Automatic Chronometer Movement (Powered by Calibre 3235 with 70 hours power reserve). Luminous Hands and Circle/Index hour markers plus minute markers around outer rim on Graduating Blue to Black dial. Oystersteel case, Stainless Steel Oyster Style bracelet band secured with Oysterclasp clasp. Uni-Directional Rotating bezel (titanium insert). Screw Down crown for secure winding under pressure. Scratch Resistant Sapphire crystal glass. Round shape 44mm diameter. Solid case back. Water resistant up to 3,900 meters / 12,800 feet depth. Includes a 5 year WatchMaxx warranty.