Ronde Louis Cartier watch

Ronde Louis Cartier watch, large model, 36 mm diameter. Mechanical movement with manual winding calibre 430 MC. Case in white gold 750/1000 set with 68 brilliant-cut diamonds and beaded crown set with a brilliant-cut diamond, totalling 0.73 carats. Silvered grained dial. Apple-shaped hands in blued steel. Sapphire crystal. Strap in black semi-matt alligator skin with 18 mm adjustable folding buckle in rhodium-finish white gold 750/1000. Sapphire case back.6.51 mm thick. Water-resistant to 30 metres/100 feet.