Rotonde de Cartier floating tourbillon 40mm

The Rotonde de Cartier floating tourbillon 40mm showcases 316L steel construction with a round blue sapphire-set crown. Features a white dial with engraved silver lattice and sunburst effect, black Roman numerals, and sword-shaped hands. The mechanical tourbillon movement with escapement mechanism, featuring a "C"-shaped frame, is fully hand-finished and visible through the sapphire crystal case-back.