Model Number: EC430.43.AB.AA.A Movement: Caliber: Exclusive Self-Winding Chronograph JCAA05 Components: 260 Functions: Hours, Minutes and Seconds Chronograph: Central Chronograph Seconds' Hand 30-Minute Counter at 3 o'clock Power Reserve: 48 Hours Frequency: 28'800 vib/h (4 Hz) Jewels: 27 ...