Backes & Strauss Watch Regent Blue Velvet 3643 RE3643MAD2R.WG.BV. Backes & Strauss does scintillating glamour like no other. The Regent Blue Velvet 3643 dial is intricately set with 192 Ideal Cut diamonds and 12 blue sapphires whose brilliance is complemented by the diamonds set into the case and lugs. This timepiece is a veritable exhibition of Backes & Strauss diamond expertise and know how.   Movement: Automatic, Platinum Rotor.Case: 18kt White gold, 132 diamonds, 3.00cts.Dial: Mother of pearl dial, 192 diamonds, 0.80cts and 12 blue sapphires, 0.43cts.Buckle: 30 diamonds, 0.30cts.Crown: The Jewel in the Crown, 0.09cts.Display: Hours, Minutes & Seconds.Total Carats: 367 diamonds, 4.62cts.