Drive de Cartier Extra-Flat watch, Manufacture mechanical movement with manual winding, calibre 430 MC. Case length: 45 mm, width: 39 mm, thickness: 6.6 mm, octagonal crown in yellow gold 750/1000 set with a faceted sapphire. Silvered satin-brushed dial with sunray effect, blued-steel sword-shaped hands. Sapphire crystal. Water-resistant to 3 bar (approx. 30 metres).