A comprehensive article about Reference Number is being prepared by our editorial team. In the meantime, see the definition above and explore related terms below.
Related Terms — Collecting and Market
All Original
Watch with all factory-original components including case, dial, hands, bezel, and movement
Box and Papers
Original packaging and documentation that accompanied the watch at purchase
Caliber Number
Designation for specific movement type used in a watch, identifies internal mechanical components
Case Number
Manufacturing code engraved on watch case back, sometimes differs from serial number
Case Wear
Visible signs of use on watch case including scratches, dents, and polishing marks
Dial Printing
Text and markings applied to dial surface, condition indicates authenticity and age of watch
Faded Bezel
Bezel with worn or faded markings from decades of use and UV exposure
Foxing
Brown spots or staining on dial caused by oxidation and moisture over decades