Cartier Ballon Bleu de Cartier Watch - 42 mm Yellow Gold Case - WGBB0023 pilots-watch 0 mm bronze case with

0 mm bronze case with soft-iron inner case for protection against magnetic fields

silver opaline dial with Roman numerals

grey dial with blued steel-sword shaped hands

Rolex calibre 3155 automatic movement with instantaneous date and day windows

screw-locked crown

Cartier Ballon Bleu de Cartier Watch - 42 mm Yellow Gold Case - WGBB0023 pilots-watch 0 mm bronze case with42mm 18K yellow gold case, 13mm thick, fluted crown set with a sapphire cabochon, sapphire crystal, silvered guilloche and lacquered opaline dial with Roman numerals and blued steel sword shaped hands, claiber 1847 MC automatic movement, 18K yellow gold bracelet. Water resistant to 30 meteres.