Product Information
* Factory: VS Factory
* Brand: Rolex
* Collection: Cosmograph Daytona
* Reference: 126506
* Movement: 4131 Automatic Chronograph Movement
Technical Specifications
* Case Diameter: 40.0 mm
* Case Thickness: 12.2 mm
* Measured Weight: 175.9 g*
* Crystal: Sapphire Crystal (Front & Exhibition Caseback)
*Measured weight refers to the individual watch inspected for this QC report. Minor weight variations may occur between individual watches due to manufacturing tolerances and configuration differences.
Timegrapher Test Results
* Daily Rate: +11 Seconds/Day
* Amplitude: 251°
* Beat Error: 0.3 ms
* Beat Rate: 28,800 BPH
Testing Note
The timegrapher readings shown above were recorded from the individual watch during pre-shipment QC inspection. Mechanical movement performance may vary slightly depending on mainspring power reserve, watch position, temperature and testing conditions.
Pre-Shipment QC Inspection
* ✔️ Movement operation checked
* ✔️ Chronograph start, stop and reset functions tested
* ✔️ Crown winding and time-setting functions checked
* ✔️ Case dimensions measured
* ✔️ Individual watch weight measured
* ✔️ Front sapphire crystal inspected
* ✔️ Exhibition caseback inspected
* ✔️ Dial, hands and hour-marker alignment checked
* ✔️ Bezel and exterior finish visually inspected
* ✔️ Bracelet and clasp operation checked
* ✔️ Final pre-shipment inspection completed
