Certified Pre-Owned Odysseetimepieces About Certified Pre-Owned Watches Certified Pre-Owned watches are previously worn, store-displayed or otherwise “used,” and each watch comes with a report generated and provided by the third-party seller offering that watch for sale. Each Certified Pre-Owned watch seller must obtain certification from WatchFacts, Inc. and must conduct certain testing for each Certified Pre-Owned watch listed for sale on Amazon using the standards set by WatchFacts. Required testing includes a theft check, an inspection, a grading evaluation, water-resistance testing and timekeeping accuracy assessments. Sellers may list only watches that obtain a grading condition (and score out of a possible score of 100) of Very Good (83-89), Excellent (90-94), Mint (95-99) and Unworn (100), according to WatchFacts grading methodology. Sellers are responsible for the accuracy of the scores listed. Sellers are also required to only use images of the watch available for sale for