Wanna meet a UFO this week? Get yourself to Geneva and hit up ‘Area 51' – a watch auction like no other hosted by Sotheby's ...

and a winding crown topped with a blue sapphire (or in rare cases, ruby) cabochon. Wait, Why Is the Cartier Tank Such a Big Deal? “I don't think there's any watch more important than the Cartier ...

An extremely rare pink diamond necklace by Cartier sold for £190,000 at Tennants Auctioneers in North Yorkshire.