Tudor Black Bay GMT 79830RB. Automatic MT5652 movement. 41mm steel case which is water resistant to 200 metres. 70 hour power reserve. Featuring a black dial with luminous hour markers and, "Snowflake" hands. Bi-directional matt burgundy and blue aluminium bezel. Steel bracelet with folding clasp and safety catch. Box and papers dated Septembert 2018.