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The Bergeon 7902 precision screwdriver and matching rapid adapters set is a Swiss‑made professional tool featuring a modular quick‑change system. The black box contains 5 quick adapters (with reduction sleeves, blades, and colour‑coded identification rings), one of which is pre‑mounted on the screwdriver.
The set includes blade diameters of 1.00mm, 1.20mm, 1.40mm, 1.60mm, and 2.00mm, covering common screw sizes in watch repair. Ideal for professional watchmakers, jewellers, and precision instrument technicians who need to change bits frequently, this set dramatically improves workflow efficiency.
Modular Quick‑Change System – Five quick adapters allow tool‑free bit changes in seconds.
Colour‑Coded Identification Rings – Different blade diameters have matching colour rings for quick recognition.
Includes Reduction Sleeves – Adapters come with reduction sleeves for secure blade retention.
Five Common Sizes – 1.00, 1.20, 1.40, 1.60, 2.00 mm – covers most watch repair screws.
Swiss Precision – Genuine Bergeon quality, smooth operation, accurate and reliable.
| Parameter | Details |
|---|---|
| Model | Bergeon 7902 |
| Set Contents | 1 screwdriver handle (with pre‑mounted adapter) + 5 quick adapters (with blades, reduction sleeves, colour rings) |
| Blade Diameters | 1.00 mm, 1.20 mm, 1.40 mm, 1.60 mm, 2.00 mm |
| Handle | Ergonomic, knurled aluminum with rotating top cap |
| Origin | Switzerland |
| Condition | Brand new, black box |
Removing and installing movement screws in watch repair (bridges, balance, escapement, etc.)
Micro screw adjustments in jewelry making
Small screw operations in eyeglasses, precision instruments, model making
Professional repair workshops requiring frequent bit changes
1. Is this a genuine Bergeon set?
Yes. It is a Swiss Bergeon factory‑original model 7902 set, brand new in black box.
2. Are spare blades included?
The set includes one blade of each size. Spare or additional sizes can be purchased separately.
3. How do I change the blade?
Gently pull out the current blade from the adapter, insert a new blade, and push it in firmly. No tools required. Colour rings help identify sizes.
4. Is the screwdriver anti‑magnetic?
The handle and blades are made of standard steel and may become slightly magnetized. For anti‑static needs, consider Bergeon‘s anti‑magnetic series or degauss regularly.
5. What are the reduction sleeves for?
The reduction sleeves securely hold different diameter blades in the adapter, ensuring no wobble during rotation and improving precision.
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.
