Tank Louis Cartier watch, large model, Manufacture mechanical movement with manual winding, caliber 1917MC. Case in rose gold 750/1000, beaded crown set with a sapphire cabochon, silvered beaded dial, blued-steel sword-shaped hands, mineral crystal, strap in semi-matte brown alligator skin, ardillon buckle in rose gold 750/1000. Case dimensions: 33.7 mm x 25.5 mm, 6.6 mm thick. Water-resistant to 3 bar (30 meters).

Here's a vintage Cartier tank Louis quartz in 18K yellow gold from the late 70s, early 80s. Keeps great time and is fully functional. Measurements