Rotonde de Cartier watch, Large Date, Retrograde Second Time Zone and Day Night Indicator

Rotonde de Cartier watch, 42 mm model, Second Time Zone Day/Night, Manufacture self-winding mechanical movement, calibre 1904-FU MC. Case in steel, diameter: 42 mm, thickness: 12.01 mm, fluted crown decorated with a synthetic cabochon-shaped spinel, silvered guilloché dial, apple-shaped hands in blued steel, sapphire crystal, black alligator-skin strap, 18 mm double adjustable folding buckle in steel, 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, sapphire case back, water-resistant to 3 bar (approx. 30 metres).