Automatic mechanical Tudor calibre MT5813 movement, 47 Jewels, 28800 vph frequency. Swiss Made. White dial displaying analog time and date at the 6 o'clock position. Includes small seconds sub-dial. Deployment clasp closure with fixed bezel featuring an inlaid black aluminium tachymeter ring and black ceramic insert markings. Sapphire crystal is scratch resistant. Water resistant to 200 meters (approx. 660 feet). Chronograph functions include two black sub-dials for 45 minute and 60 second measurements.