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When you buy a watch from Crown & Caliber, you can trust that it’s been handled by an expert. Our authentication and certification process, carried out by one of our in-house, Swiss-trained watchmakers, is an extensive inspection of the watch and its individual parts (both inside and outside). Once it’s been looked over, we perform any necessary service or replacements*, and then prepare the watch for refinishing. To learn more specifics regarding our process, continue reading below.

Initial Check for Authentic and Aftermarket Parts:

For all of our watches, the watchmaker will run a preliminary inspection of the watch’s outer aspects to verify whether each one is manufacture-authentic or an aftermarket version. They will then open up the watch to determine the authenticity of the movement to the individual timepiece.



Multi-Point Inspection:

Once the initial review is complete, the watchmaker will then perform a more thorough inspection of the watch, making note of any imperfections (scratches, moisture, discoloring, etc.) that can occur with general wear and tear. They will also test the watch for water resistance and ensure that it's running accurately. For issues that are correctable, the watchmaker will make recommendations for service and replacement.* Specifically, they will attempt to address the following questions for each individual watch:

Dial and Crystal

1. Is the crystal correct in style and dimension (specifically height)?
2. Is the crystal scratched on the outside or inside?
3. Is the crystal chipped at the edge?
4. Is the dial scratched?
5. Is the dial faded?
6. Is the dial refinished?
7. Is the dial showing patina?
8. Is the date indicator disc scratched?
9. Is the date indicator disc operating correctly and changing at midnight?
10. Are the hands correct to the watch?
11. Are the hands scratched?
12. Are the hands milky from moisture damage? Is this correctable?
13. Are the hours markers scratched?
14. Are the hours markers milky from moisture damage? Is this correctable?
15. Does the luminous in the hands and on the dial glow?
16. Is the luminous cracked or dirty?

Watch Middle Case

1. Are the lugs even to one another? Is this correctable?
2. Are the lugs rounded? Is this correctable?
3. Are there dents or dings on the case edges and corners? Are these correctable?
4. Is the spacing between the crown and the case side correct?
5. Is the crown worn? To what degree?
6. Is the crown functional? Is it posing a water resistance issue?
7. Are the case back teeth damaged?
8. Is there overall heavy case wear that is not fully correctable without over-refinishing?
9. Is there damage to the case that will not be fully correctable without over-refinishing?
10. Is the emblem on the crown faded from wear or refinishing?

Bracelet, Buckle, Strap

1. Is the bracelet flexible from wear? Does it twist easily?
2. Are the links showing flat spots from wear?
3. Are the links pocketed or becoming pocketed?
4. Are the pins worn?
5. Are the screw heads damaged?
6. Are the screws and pins tightly secured?
7. Is the deployant functioning properly?
8. Is the buckle functioning properly?
9. Is the strap very dirty?
10. Is the strap cracked or starting to crack?
11. Is the strap supple?
12. Are the embalms on the clasp faded out from wear and refinishing?


1. Is the movement currently running?
2. Are there any rusted parts or apparent moisture damage?
3. Is any corrosion evident?
4. Does the watch rebank on auto winder or at full wind?
5. Is there any debris in the movement?
6. Are the jewels properly oiled?
7. Does the auto system work properly and is the watch winding itself?

Once the inspection is complete and the watchmaker has done any necessary service on the timepiece, it is then submitted for refinishing. For modern watches, this means removing any imperfections on the outside of the watch to ensure it looks as like-new as possible. For vintage watches, the refinishing touch is minimal – we understand that lovers of vintage timepieces value their years’ worth of wear, and we want to preserve that integrity as much as possible.

When you purchase a watch from Crown & Caliber, you know that we've taken the utmost care for your watch and that it comes to you serviced, Crown & Caliber Certified, and backed by a one-year warranty.


*Some watch parts may have been sourced in accordance with generally accepted industry standards, and are used as replacements only if such parts do not compromise the integrity of the timepiece. Crown & Caliber, at their discretion, will use suitable Swiss quality substitutes when needed.