Watches verified by industry experts

All luxury timepieces are verified by our trusted partners at Bennisson —
a level one luxury watch service center.

Watch experts

Our watch authentication partners at Bennisson are leaders in luxury watch service, repair & authentication.

Detailed inspection

We inspect every watch to make sure it's authentic & condition matches the listing. In addition we verify the performance & water resistance is within manufacturer specifications.

Luxury service

Once it's verified, your watch is delivered via secure & insured, expedited shipping

Meet the experts

Get to know the team at Bennisson, watchmakers and skilled professionals that bring decades of top-notch experience to watch authentication.

The authentication process

Learn how the experts authenticate every watch that sells on Grailzee.

Performance testing & service

Take a look behind the scenes as experts use state-of-the-art tools to test the performance of your watch.

Secure & insured

Learn about the security & insurance policies Bennisson provides. Buy & sell with confidence.