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This is a genuine Bergeon 30016 hairspring-collet broach set, made in Switzerland, featuring three sizes: 0.40 mm, 0.55 mm, and 0.70 mm. Designed for enlarging and adjusting hairspring collets, it precisely adjusts the collet inner diameter to ensure a secure fit between the collet and balance staff. This product is brand new and genuine, in original packaging—a precision tool for handling hairspring collets in watch repair.
Brand：Bergeon (Swiss)
Model：30016
Origin：Made in Switzerland
Quality：Genuine original, brand new in original packaging
Type：Hairspring-collet broaches
Sizes：0.40 mm / 0.55 mm / 0.70 mm
Application：Enlarging and adjusting hairspring collets, adjusting collet inner diameter
1. Is this hairspring-collet broach set an original Bergeon genuine part?
Yes. It is manufactured by Bergeon in Switzerland, brand new in original packaging, not a third-party copy.
2. What operations is this tool suitable for?
Suitable for enlarging, adjusting, and truing hairspring collets, ensuring a precision fit between the collet and balance staff.
3. What are the three sizes used for?
0.40 mm for finest collets, 0.55 mm for medium collets, and 0.70 mm for larger collets. Start with a broach slightly smaller than the target diameter.
Fast Worldwide Shipping – Orders are dispatched within 3 business days.
Competitive Pricing – Great value across watch movements, replacement parts and watchmaking tools.
Extensive Selection – More than 3,000 watch movements, parts and accessories available.
Trusted Worldwide – Trusted by watchmakers, repair professionals and watch enthusiasts worldwide.
Personalized Sourcing – Can’t find the part you need? Contact [email protected] or WhatsApp +86 18620212114.
