Cartier Rotonde de Cartier Large Date and Retrograde Second Time Zone Watch - 42 mm Pink Gold Case - W155624042mm 18K pink gold case, 11. 96mm thick, sapphire back, fluted crown set with a sapphire cabochon, 18K pink gold bezel, sapphire crystal, silver dial with guilloche, caliber 1904 FU MC automatic movement with apple shaped hands in blued steel, retrograde second time zone at 10 o'clock, day night indicator at half past three, small seconds at 6 o'clock, brown alligator skin strap, folding buckle. Water resistant to 30 meters.