Tank Louis Cartier watch, large model, Manufacture mechanical movement with manual winding, calibre 1917 MC. Case in 18K rose gold, beaded crown set with a sapphire cabochon, silvered dial, blued-steel sword-shaped hands, mineral crystal, 18K rose gold bracelet. Case dimensions: 33.7 mm x 25.5 mm. Thickness: 6.6 mm. Water-resistant to 3 bar (approx. 30 metres).