Authentic Breitling Chronomat Automatic, model U10380591K1U1. Features a copper dial with diamond/index hour markers and luminous hands set on an 18k rose gold and stainless steel case with matching bracelet clasp deployment mechanism. Equipped with a unidirectional rotating ratcheted bezel in the same materials. Powered by Breitling Caliber 10 automatic chronometer movement ensuring precision timekeeping and offering up to 42 hours of power reserve displayed on the dial. Includes date function, scratch resistant sapphire crystal glass, round case shape measuring 36mm diameter and 10.1mm thickness with a solid case back. Water resistant to 100 meters (approximately 330 feet). Comes with a 2 year WatchMaxx warranty.