Limited Edition Backes & Strauss Watch Regent 1609 AD 4047 Limited Edition RE4047MAD2R1609AD.WG.WWA. In celebration of Sir Thomas Harriot, the British astronomer who first mapped the moon nearly 400 years ago, the Regent 1609AD is pioneering in its design. Set in 18kt rose or white gold, two rows of diamonds set into the case frame, a dial revealing the different phases of the moon in midnight blue, each set with 17 Ideal Cut diamonds depicting the Great Bear Constellation.   Movement: Automatic movement, Grande Date at 12 o clock, Moon Phase mechanism, Platinum Rotor.Case: 18kt White or Rose Gold, 140 diamonds, 4.40cts.Dial: White dial with white or rose Arabic numerals. Different phases of the moon in midnight blue, 17 diamonds, 0.12cts, depicting the Great Bear Constellation.Buckle: 30 diamonds, 0.30cts.Crown: The Jewel in the Crown, 0.09cts.Display: Hours, Minutes, Seconds & Date.Total carats: 188 diamonds, 4.91cts.