Ronde Louis Cartier watch

Ronde Louis Cartier watch, extra-large model, 42 mm diameter. Mechanical movement with manual winding calibre 9754 MC. Case in rhodium-finish white gold 750/1000 set with 60 brilliant-cut diamonds and beaded crown set with a brilliant-cut diamond, totalling 1.53 carats. Dial in rhodium-finish white gold 750/1000 set with 587 brilliant-cut diamonds totalling 1.26 carats. Apple-shaped hands in blued steel. Sapphire crystal. Strap in black matt alligator skin with 18 mm adjustable folding buckle in rhodium-finish white gold 750/1000. Small seconds at 10 o'clock. Sapphire case back.7.25 mm thick. Water-resistant to 30 metres/100 feet.