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The Bergeon 6400 is a professional universal crystal lift designed for the safe removal of unbreakable round and shaped watch glasses. Featuring a flexible internal ring and adjustable jaws, it securely grips glass diameters ranging from 10 mm to 45 mm, making it compatible with most watch case sizes .
This Swiss-made tool is an essential instrument for watchmakers needing to extract crystals without damaging the case or movement.
Universal Compatibility – Grips crystals from 10mm to 45mm, fits most round and shaped unbreakable glasses.
Flexible Internal Ring – Distributes force evenly around the crystal edge, preventing stress cracking.
Adjustable Jaws – Multi‑jaw linkage easily adapts to different crystal sizes.
Safe Removal – Avoids scratching the case or damaging the movement, ideal for high‑value watches.
Swiss Precision – Genuine Bergeon quality, durable and reliable.
| Parameter | Details |
|---|---|
| Model | Bergeon 6400 |
| Type | Crystal lift (glass remover) |
| Suitable Crystals | Unbreakable round and shaped glasses |
| Grip Diameter Range | 10 mm – 45 mm |
| Body Material | Metal (precision machined) |
| Origin | Switzerland |
Removing round, square, tonneau, or other shaped unbreakable watch glasses (e.g., mineral glass, acrylic)
Watch repair, crystal replacement, movement access prior to servicing
Professional watch workshops, brand service centers, independent watchmakers
1. Is this a genuine Bergeon tool?
Yes. It is a Swiss Bergeon factory-original model 6400, brand new.
2. Can it be used for sapphire crystals?
Yes, it works on unbreakable crystals including sapphire, mineral, and acrylic. However, sapphire is very hard – use gentle, even pressure.
3. How do I adjust it to the correct size?
Rotate the adjusting ring so the jaws just touch the crystal edge, then tighten slightly. No excessive force is needed.
4. Can it be used to remove snap‑on case backs?
No. This tool is designed specifically for crystals, not case backs. Use a proper case back opener or press.
5. How do I maintain the tool?
Clean the jaws and internal ring regularly. Store in a dry place. Avoid dropping. No routine lubrication required.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
Trusted by watchmakers worldwide.
Personalized sourcing support via [email protected] or WhatsApp +86 18620212114.
