ETA caliber 251.294 PRD

ETA Flatline Chronograph 251.294 KP PreciDrive / PowerDrive 5 ETA Stepper motors. Hours, minutes, small jumping second at «6 o’clock». Time-zone mechanism. Stop-second device. Mechanical date, showing through aperture in dial. Chronograph 60 seconds (fly-back) hand, 30 minutes. Functions: ADD, SPLIT and FLY-BACK; 3 push buttons. 27 Jewels. Autonomy theoretic of battery: 68 months (chronograph stopped)