Guarded Crown is pleased to present this Tudor Black Bay Ceramic with Reference M79210CNU. This watch is fitted with Tudor’s hybrid leather and rubber strap. The ManufactureCalibre MT5602-1U movement can be seen through the display caseback. The Swiss Made movement received certification by the Swiss Official Chronometer Testing Institute (COSC) as well as the Federal Institute of Metrology (METAS). The watch was tested for precision at two temperatures, in six different positions and at two different levels of power reserve: 100% and 33%. This timepiece is waterproof to 200 m (660 ft) in accordance with ISO standard 22810:2010. The Black Bay Ceramic also features a 70-hour power reserve. This timepiece features smooth functioning when exposed to a magnetic field of 15,000 gauss and precision following exposure. The watch will ship with the outer box, display box, Tudor International Guarantee card (which is dated June 2021, Warranty Booklet and User Manual Booklet.