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Authenticity Guarantee

Our Promise Every watch sold by CalderoneWatchCo is 100% genuine.

Our 15-Point Authentication Process

Physical Inspection

  1. Serial number verification against manufacturer databases
  2. Case dimensions measured to 0.1mm accuracy
  3. Weight checked against factory specifications
  4. Case finishing quality under 10x magnification
  5. Crown and pusher operation smoothness

Movement Verification

 6. Caseback opened (when possible without voiding warranty)

7. Movement serial matched to case serial

8. Rotor finishing and engraving quality

9. Beat rate tested (28,800 bph, 21,600 bph, etc.)

10. Power reserve tested against specifications

Detail Authentication

11. Dial printing under magnification (no bleeding, perfect alignment)

12. Hand finishing and lume quality

13. Crystal clarity and coating verification 

14. Bracelet/strap authenticity and end-link fit

15. Box and papers forensic verification when included

Red Flags We Check For

  • Aftermarket parts (bezels, dials, hands)
  • Refinished cases or repolished surfaces
  • Marriage watches (wrong movement for reference)
  • Frankenwatches (parts from multiple watches)
  • Poor quality date magnification or cyclops alignment

Our Experience 370+ watches authenticated through our eBay business since 2024. Zero authenticity disputes. Zero returns for authentication concerns.

The CalderoneWatchCo Difference We don't just check if it's real - we verify it's exactly what it should be. Right parts, right period, right condition. No grey areas.

Still Worried? WhatsApp me directly:+44 7859 890747 I'll walk you through the exact verification for your specific watch.

The Bottom Line Fake watches exist. We've seen them all. That's exactly why we know how to spot them. When you buy from CalderoneWatchCo, you're buying certainty.