certified authentic

Every pre-owned watch acquired by Tourneau is guaranteed to function within original factory specifications. Our 30+ master watchmakers perform certification and authentication, and a comprehensive 30-point inspection of every timepiece. If necessary, watchmakers perform a full movement service and overhaul, the watch’s movement is taken apart and inspected piece by piece before being cleaned, lubricated, and put back together. Worn or broken parts are replaced using only original manufacture parts. The restoration process also includes expert cleaning and polishing, water pressure and magnetization testing, and replacement of straps.

To qualify as a Tourneau Certified Pre-Owned watch, the timepiece must meet superior standards and pass a comprehensive 30-point inspection that includes:

Certified Authentic Watches

Technical Functions

  • Alignment of All Hands
  • Date Change between -5 and +5 Minutes of According to Caliber’s Characteristics
  • Rapid Date Function
  • Chronograph’s Function, Start and Stop
  • Test Pushers
  • Chronograph Drift (Hour Counter)
  • Chronograph’s Function Minute Recorder’s Jump
  • Shaking Movement of Second and/or Chronograph Hand
  • Rest of All Hands
  • Screwing and Unscrewing of Crown
  • Oscillating Weight’s Freedom
  • Caseback Closing Torque
  • Movement Screws
  • Bezel Rotation
  • Examine Bezel Screws
  • Clasp Adjustments


  • Cleanliness of Case and Bracelet
  • Polishing Quality
  • Plating of Crown and Pushers
  • No Dust on Crystal
  • Gaskets in Correct Position
  • Examination of Dial
  • Cleanliness of Crystal and Flange
  • Luminescent Points on Dial and Hands
  • Cleanliness and Conformity of Hands
  • Dial Centered

Diagnostic Testing

  • Water Resistance Check
  • Timing Analysis
  • Mechanical Watch Demagnetization
  • Automatic Cyclo Test

Two-Year Warranty

Every Certified Pre-Owned watch from Tourneau comes with a 2-year warranty that covers internal movement defects. Most warranty service is performed at our manufacturer-authorized service center and is carried out by our expertly trained 30+ master watchmakers. In some cases, timepieces are sent to the original manufacturer for warranty service. For additional coverage, you can upgrade your protection and purchase the Timepiece Protection Plan.

Unmatched Watch Selection

Tourneau carries the world’s largest Certified Pre-Owned watch collection, representing the top luxury brands and designs. Our certified pre-owned buyers continuously update our watch selection with styles that range from rare and vintage to modern timepieces.