Santos de Cartier watch, large model, automatic winding mechanical movement 1847 MC. Steel case, 7-sided crown with faceted blue synthetic spinel, gradient green dial, polished steel sword-shaped hands with luminescent material, sapphire crystal. Steel bracelet with "Smartlink" sizing system. Second green alligator bracelet with interchangeable steel deployant buckle. QuickSwitch interchangeability system. Case width: 39.8mm, thickness: 9.38mm. Water resistant up to 10 bars (~100 meters). Features.