Swiss-Grade Caliber 4030 Clone Movement
The Rolex Daytona 16523 super clone runs on a Swiss-grade automatic chronograph movement engineered to reproduce the genuine Rolex Caliber 4030 in feel, frequency, and autonomy. Rolex based the genuine Caliber 4030 on the Zenith El Primero and modified it for the first self-winding Daytona generation. The movement operates at 28,800 vibrations per hour, winds bidirectionally through a free-rotating rotor, and holds a 50-hour power reserve.
Accuracy and Chronograph Performance
Daily deviation holds within -5 to +8 seconds per day after factory regulation, close to the chronometer standard of the genuine Caliber 4030. The chronograph starts, stops, and resets cleanly through the screw-down pushers, and the three counters track elapsed seconds, minutes, and hours. The smooth sweeping seconds hand and the quiet winding rotor confirm the Swiss-grade build of this 16523 Super Clone.
Spec grid:
Type:Automatic chronograph
Base caliber:Rolex Caliber 4030 (Zenith El Primero base)
Frequency:28,800 vph (4 Hz)
Power Reserve:50 hours
Jewels:31
Winding:Automatic bidirectional
Functions:Hours, minutes, small seconds, chronograph