Cartier Tank Obus in 18 k Yellow goldThe Cartier Tank has been around for over a century now, with a number of variations including the Tank Obus. The name Obus comes from the French for bullet and is demonstrated by the bullet shaped lugs. The watch houses a silver dial with black Roman numerals with railroad track, blued Breguet hands and a blued stone cabochon topped crown. The dial and case are both in superb condition with the dial having the secret Cartier signature in the VII