Sotheby's Lists Rare White Gold Diamond and Sapphire "Rainbow Khanjar" Rolex Day-Date

Sotheby's has just listed a rare find to its Fine Watches including Masterworks of Time, Collector's Watches auction. The watch in question is a rare 1984 white gold, diamond and sapphire-set Rolex Day-Date (Ref. 18059) "Rainbow Khanjar." It is estimated that there are five of these in existence -- three of which are known -- where this is the first time the Oman Khanjar-stamped watch has been publicly offered for sale. The watch comes from the original owner where it was gifted to him by Sultan...