ETA 251.262 Chronograph movement. Diameter Ø = 13¼´´´ / 30,00 mm, Height 5mm, 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 1/10 second, 60 seconds, 60 minutes, 12 hours. Functions: ADD, SPLIT ; 2 push buttons. 27 Jewels