Ballon Bleu de Cartier watch cartier and a dual-curved sapphire crystal

and a dual-curved sapphire crystal with anti-reflective coating on the inner surface for clear visibility

which displays a 2nd time zone

5mm Akoya cultured pearl elegantly paired with 0

this timepiece has retained its key elements: its Art Deco inspiration with symmetrical lines

The Big Pilot’s Watch IWC Racing Works

Ballon Bleu de Cartier watch cartier and a dual-curved sapphire crystalBallon Bleu de Cartier watch, 36 mm. Self winding mechanical movement. Rose gold 750 1000 case and fluted crown in rose gold 750 1000 set with a sapphire cabochon. Matt silvered stamped sunray dial set with 21 brilliant cut diamonds totaling 0. 19 carats. Blued steel sword shaped hands. Sapphire crystal. Strap in blue alligator leather, rose gold 750 1000 ardillon buckle. Thickness: 0. 47. Water resistant up to 3 bar (approx. 30 meters 100 feet).