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The Bergeon 4001 is a 3‑in‑1 professional tool designed for indenting rollers and cannon‑pinions and for setting collets, with three operations identified by three colours. Very simple to use, it can be fixed inside a vice. Operation 1: to indent rollers and cannon‑pinions. Operation 2: to set collets using one plain stake (hole Ø0.6 mm) plus two stakes for shock systems. Operation 3: to set collets using one plain stake (hole Ø0.9 mm). Ideal for watchmakers for precision assembly and shock system adjustment.
3‑in‑1 Function – Indenting rollers/cannon‑pinions + two collet‑setting modes (including stakes for shock systems).
Colour‑Coded – Three operations marked by different colours for quick identification and error prevention.
Vice‑Mountable – The tool can be securely fixed in a bench vice for stable operation.
Multiple Stakes Included – Includes 0.6mm and 0.9mm plain stakes plus two special stakes for shock systems.
Swiss Bergeon Original – Professional quality, precision‑machined, durable and reliable.
| Parameter | Details |
|---|---|
| Model | Bergeon 4001 |
| Type | 3‑in‑1 indenting and collet‑setting tool |
| Functions | 1. Indent rollers/cannon‑pinions; 2. Set collets (incl. shock system); 3. Set collets (larger bore) |
| Included Stakes | 1 plain stake Ø0.6 mm + 2 shock‑system stakes + 1 plain stake Ø0.9 mm |
| Mounting | Can be clamped in a bench vice |
| Origin | Switzerland |
Pressing rollers and cannon‑pinions in watch movements to achieve interference fit.
Installing or adjusting collets on pallet forks, including shock system jewel settings.
Precisely setting jewel seats when replacing balance or escapement shock protection components.
Professional watch workshops, brand service centers, advanced watchmakers.
1. Is this a genuine Bergeon tool?
Yes. It is a Swiss Bergeon factory‑original model 4001, brand new.
2. How are the three operations distinguished?
The tool is colour‑coded (e.g., red, blue, yellow) for each function. Refer to the Bergeon manual for details.
3. Are stakes for different collet sizes included?
The set includes 0.6mm and 0.9mm plain stakes, covering common collet bores. Two special stakes are for shock systems such as Incabloc or KIF.
4. Do I need a separate vice?
Yes. The tool is designed to be clamped in a bench vice for stable operation.
5. Can it be used for other shock protection systems?
Yes. The included shock system stakes are suitable for most common types (Incabloc, KIF, Etachoc, etc.).
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.
