Featured lot No Image Lot 6 Franck Muller, Contemporary, A diamond set 18 carat white gold 'Conquistador' lady's wristwatch 6Franck Muller, Contemporary, A diamond set 18 carat white gold 'Conquistador' lady's wristwatch Sloane Street Auctions Franck Muller Contemporary A diamond set 18 carat white gold 'Conquistador' lady's wristwatch With red guilloche enamel dial and white and silver ... Add to watchlist Live