The scratch-resistant sapphire crystal protects the mesmerizing dial
With 31 Jewels and a power reserve of around 70 hours
illuminating the dial with a timeless sparkle
embellished with Roman hour markers
18K yellow gold fluted bezel
Cartier Tortue Perpetual Calendar Watch - 45.6 mm White Gold Case - Black Alligator Strap - W1580048 Repeater The scratch-resistant sapphire crystal protects45. 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