Ballon Bleu de Cartier watch jlc The Reverso One Duetto has

The Reverso One Duetto has a very sleek design

Dauphine hands and small seconds at 6 o’clock

offering a 50-hour power reserve

navy-coloured dial evokes the bark of a white birch tree illuminated by the moon

Inside is the Hi-Beat automatic Calibre 9S85

Ballon Bleu de Cartier watch jlc The Reverso One Duetto hasBallon Bleu de Cartier watch, 40 mm, mechanical movement with automatic winding, calibre 1847 MC. 18K rose gold case, fluted crown set with a sapphire cabochon, dark grey sunray brushed dial, 18K rose gold sword shaped hands, sapphire crystal, interchangeable grey alligator skin strap, interchangeable 18K rose gold folding buckle, calendar aperture at 3 oclock. Thickness: 12. 4 mm. Water resistant to 3 bar (approx. 30 metres).