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The Bergeon 2802-LN-RU is a professional balance wheel balancing tool, featuring smooth blades made of red synthetic ruby. It incorporates a screw adjustment mechanism and an integrated spirit level for precisely levelling the blades, ensuring stable support for the balance wheel during balancing tests. The blades have a diameter of 18 mm, making it suitable for watchmakers to perform static poising and dynamic balance checks.
Synthetic Ruby Blades – High hardness, smooth surface, low friction, will not damage balance staff pivots.
Screw Adjustment Mechanism – Allows fine adjustment of blade parallelism and level.
Integrated Spirit Level – Ensures the tool is perfectly horizontal for accurate balancing.
18 mm Blade Diameter – Fits most mechanical watch balance wheels.
Swiss Bergeon Original – Professional quality, precise and reliable.
| Parameter | Details |
|---|---|
| Model | Bergeon 2802-LN-RU |
| Type | Balance wheel balancing tool |
| Blade Material | Synthetic ruby (smooth) |
| Blade Diameter | 18 mm |
| Adjustment | Screw mechanism + spirit level |
| Origin | Switzerland |
Checking static balance (poising) of balance wheels to identify heavy spots.
Removing or adding weight material to correct balance.
Used with other balancing instruments to optimize timekeeping accuracy.
Suitable for professional watch workshops and advanced watchmakers.
1. Is this a genuine Bergeon tool?
Yes. It is a Swiss Bergeon factory‑original model 2802‑LN‑RU, brand new.
2. Are the ruby blades easy to break?
Synthetic ruby is very hard (Mohs 9) and resistant to scratching, but avoid dropping or impacting the tips.
3. How do I level the tool?
Place the tool on a flat surface, observe the spirit level bubble, and adjust the blades with the screw mechanism until the bubble is centered.
4. Is the 18mm blade diameter sufficient?
Yes, it fits most watch balance wheels (both men‘s and ladies’). Very large pocket watch balances may require a larger tool.
5. Can it be used for double‑roller balances?
Yes, the tool supports the balance staff pivots, regardless of the roller configuration.
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.
