Zenith caliber El Primero 4052 B

Self-winding movement with 'Striking 10th' chronograph. Total of 326 parts including 31 jewels. Hours and minutes in the center Small second at 9 o’clock Date indicator at 6 o’clock 1/10th of a second Chronograph: 60-minute counter at 6 o’clock 60-seconds counter at 3 o’clock 1/10th of a second indication by the Chronograph hand