Cartier Rotonde de Cartier Watch - 42 mm White Gold Case - W1556224 5139G010 I personally believe it is

I personally believe it is unpolished original condition or maybe done once in its lifetime

the fixed fluted bezel

caliber 8923 self-winding Co-Axial master chronometer movement with date and annual calendar functions

This Men's Richard Mille Automatic Winding Mutaz Essa Barshim has an attractive Skeleton Dial with Arabic Dial Markers

an emblem of timeless sophistication

Cartier Rotonde de Cartier Watch - 42 mm White Gold Case - W1556224 5139G010 I personally believe it is42mm 18K white gold case, 11. 6mm thick, circular grained in 18K pink gold crown set with a sapphire, sapphire crystal, white dial with galvanized guilloche, silvered openwork grid with sunray effect, and transferred black Roman numerals, caliber 9981 MC manual movement, approximately 48 hours of power reserve, black alligator strap, deployant buckle in 18K white gold. Water resistant to 30 meters.