Black Bay 58 Series Tudor hand wind chronometer movement Calibre MT5400-U with 65-hour power reserve. Analog dial type in burgundy featuring silver-tone hands and index hour markers, minute markers on the outer bezel, luminescent for night readability. Silver-tone stainless steel round case 39mm diameter thickness 11.7mm, bracelet also silver-tone stainless steel. Scratch resistant sapphire crystal glass. Unidirectional rotating burgundy stainless steel bezel insert. Screw-down winding/crown and set functions. Band width is 20mm. Water resistant to 200 meters or 660 feet depth. Swiss Made label.