Cartier Tortue Perpetual Calendar Watch - 45.6 mm White Gold Case - Black Alligator Strap - W1580048 51 35 x 25 mm 18K

35 x 25 mm 18K white gold case

and day display

A smooth bezel in rose gold complements rows of the same color seen in the steel bracelet of this timepiece

double adjustable deployant buckle in 18K pink gold

diamond-set 18K white gold pin buckle

Cartier Tortue Perpetual Calendar Watch - 45.6 mm White Gold Case - Black Alligator Strap - W1580048 51 35 x 25 mm 18K45. 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