Cartier Tortue Perpetual Calendar Watch - 45.6 mm White Gold Case - Black Alligator Strap - W1580048 Exospace 5 mm 18K yellow gold

5 mm 18K yellow gold case

Brand Audemars Piguet Series Jules Audemars Extra-Thin Model Number 15180OR

Brand Audemars Piguet Series Royal Oak Model Number 77450BC

beaded crown set with a brilliant-cut diamond

brown dial

Cartier Tortue Perpetual Calendar Watch - 45.6 mm White Gold Case - Black Alligator Strap - W1580048 Exospace 5 mm 18K yellow gold45. 6mm x 51mm 18K white gold case, 16mm thick, sapphire back, octagonal crown set with a sapphire, sapphire crystal, slate dial with openwork satin brushed silvered grid, sunray finish, black transferred Roman numerals, snailed counter, apple shaped blued steel hours and minutes hands, caliber 9422 MC automatic movement , perpetual calendar with days displayed by a retrograde hand, and months and leap years in a counter at 12 o'clock, approximately