Authentic Breitling Chronomat B01 42. Automatic mechanical movement, Caliber 01 engine with 70-hour power reserve. Green dial featuring luminous silver-tone hands and stick hour markers, minute markers, tachymeter scale on the outer rim; three sub-dials displaying seconds, minutes (up to 30), hours (12) and date function at 6 o'clock position; unidirectional rotating bezel. Brushed stainless steel case, round shape measuring 42mm diameter with a thickness of 15.10mm. Screw-down crown. Scratch-resistant sapphire crystal glass. Deployment buckle clasp with push button on the brushed stainless steel bracelet band also made from brushed stainless steel. Water resistant to 200 meters (660 feet). Includes 5-year WatchMaxx warranty.