41mm matte black high-tech ceramic case with steel case back engraved with J12 Superleggera, solid back, screw-down crown and push pieces, matte black high-tech bezel, highly scratch-resistant crystal, black dial, self-winding movement with hours, minutes, seconds (counter at 3 o?clock), date, chronograph (30 minute counter, central seconds) and tachymeter, approximately 42 hours of power reserve, ceramic bracelet, triple-folding buckle in steel. Water resistant to 200 meters.