TUDOR Royal Steel. Stainless steel 28mm case with a polished and satin finish features a steel bezel set with 60 diamonds and a steel screw down winding crown with the TUDOR logo. Self winding mechanical movement, Calibre T201 with a power reserve of approximately 38 hours. White mother of pearl diamond dial with applied Roman numerals and date display at 3 o'clock. Integrated bracelet in 316L steel with satin brushed external and central links and polished intermediate links, with folding clasp and safety catch. Waterproof to 100m (330 ft).