Ronde Louis Cartier watch, 40 mm, automatic mechanical movement 1847 MC. Case and beaded crown in rose gold 750/1000 set with a blue sapphire. Sandblasted beige dial. Blued-steel sword-shaped hands. Sapphire crystal. Strap in semi-matte grey alligator leather, folding clasp in 750/1000 rose gold. Thickness: 9.62 mm. Power reserve: 40 hours. Water-resistant to 3 bar (approx. 30 metres).

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