Explainer |

Why is the Cartier Tank watch so famous – and is it a good investment? Ralph Lauren, Princess Diana, Yves Saint Laurent and Catherine Deneuve all owned one for a reason

• The Cartier Tank became an instant icon after Rudolph Valentino wore one in Son of the Sheik – Hollywood heartthrobs Gary Cooper, Cary Grant and Clark Gable all quickly followed suit
• Inspired by WWI’s battlefields, Louis Cartier’s masterpiece continues to shine more than a century on, embraced by fashion icons from Frank Sinatra to Jacqueline Kennedy Onassis