Cartier Rotonde De Cartier Large Date Second Time-Zone Watch - 42 mm Steel Case - W155636842mm steel case, 11. 96mm thick, sapphire back, fluted crown with a synthetic cabochon shaped spinel, silvered guilloche, steel bezel, sapphire crystal, silver dial set with apple shaped hands in blued steel, caliber 1904 FU MC automatic movement with large date at 12 o'clock, retrograde second time zone at 10 o'clock, day night indicator at half past three, small seconds at 6 o'clock,, black alligator skin strap, folding buckle. Water resistant to 3