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The Bergeon 7902‑CR is a Swiss‑made precision screwdriver set designed for the Bergeon 7902 modular quick‑change system. The set includes five stainless steel quick adapters fitted with crosshead (Phillips) bits of diameters 1.20mm, 1.50mm, 2.00mm, and 2.50mm, plus one 4.00mm medium‑grain polishing stick (ref. 7129‑4‑M).
All bits are made of hardened stainless steel (54 HRC), offering high hardness and wear resistance. Ideal for watchmakers, eyeglass repair technicians, and precision electronics engineers working with cross‑slot screws, this set, used together with a Bergeon 7902 handle (sold separately), enables tool‑free bit changes in seconds, dramatically improving workflow efficiency.
Quick‑Change System – Five stainless steel quick adapters allow tool‑free bit changes in seconds.
Crosshead Bit Set – Includes 1.20, 1.50, 2.00, 2.50 mm Phillips bits for common precision repairs.
Includes Polishing Stick – 4.00mm medium‑grain stick for surface finishing and cleaning.
High Hardness Bits – 54 HRC hardened stainless steel, wear‑resistant and durable.
Swiss Precision – Genuine Bergeon quality, smooth operation, accurate and reliable.
| Parameter | Details |
|---|---|
| Model | Bergeon 7902-CR |
| Set Contents | 5 adapters + 4 crosshead bits + 1 polishing stick |
| Crosshead Bit Sizes | 1.20 mm, 1.50 mm, 2.00 mm, 2.50 mm |
| Bit Hardness | 54 HRC (hardened stainless steel) |
| Polishing Stick | 4.00 mm medium‑grain (7129‑4‑M) |
| Compatible Handle | Bergeon 7902 series (sold separately) |
| Origin | Switzerland |
Removing cross‑slot screws in watch movements
Adjusting eyeglass frame screws
Precision electronics assembly and repair
Metal surface cleaning and finishing with the polishing stick
1. Is this a genuine Bergeon set?
Yes. It is a Swiss Bergeon factory‑original model 7902‑CR, brand new.
2. Is the handle included?
No. The handle (Bergeon 7902 series) is sold separately. This set includes only adapters and bits.
3. Are the bits replaceable?
Yes. Spare crosshead bits are available from Bergeon.
4. What is the polishing stick used for?
Cleaning, polishing metal surfaces, removing fine burrs, or adjusting contact surfaces. Medium‑grain suitable for routine finishing.
5. What screws is this set suitable for?
Phillips (cross‑slot) screws commonly found in watch movements, eyeglass hinges, electronics cases, etc.
Fast worldwide shipping within 3 business days.
Competitive pricing on Seiko/Hattori calibers.
3,000+ watch movements and parts in stock.
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