Automatic Tudor Calibre MT5400 movement with 27 Jewels. Power reserve approx 70 hours at 28800 vph. Unidirectional rotating bezel, scratch resistant sapphire crystal. Blue dial features silver-tone hands and luminous hour markers/indexes, minute markers around the outer rim. Silver-tone stainless steel case and bracelet with fold over clasp. Solid case back. Round shape measuring 37mm in diameter by 11.2mm thick. Band width is 20 mm. Water resistant to 200 meters / 660 feet depth. Functions include hour, minute, second, chronometer.
![Tudor [Black Bay] 1148206](https://cdn.lepodium.net/images/000/303/303333-2.jpg)