Tank Louis Cartier watch, small model, Manufacture mechanical movement with manual winding, calibre 1917 MC. Case in 18K rose gold set with 40 brilliant-cut diamonds and beaded crown set with one brilliant-cut diamond of 0.47 carats, silvered dial, blued-steel sword-shaped hands, mineral crystal, 18K rose gold bracelet. Case dimensions: 29.5 mm x 22 mm. Thickness: 6.8 mm. Water-resistant to 3 bar (approx. 30 metres).