Request a valuation and expert assessment of your watch
We offer a quick estimation of your watch(es) based on the information you provide online:
- a description of the timepiece,
- at least one photo.
You can also contact us for a more detailed discussion or if you have additional documents
Guerin Expertise provides valuations for rare watches, collectible watches, vintage watches, new watches, luxury watches and rarer timepieces.
A certificate of authenticity can then be issued for your watch on your request.
Your valuation request
Certificate of authenticity
Once the valuation is complete, you may wish to be able to prove the authenticity and value of your collectible watch with a certificate of authenticity issued by an accredited expert.
This document serves as an additional validation of the quality of your watch.
You can use this document for future transactions (resales) and to insure your timepieces.

