BERGEON 4854 Cannon Pinion Remover Tool

The BERGEON 4854 is a professional Swiss-made cannon pinion remover designed for the safe and efficient removal of cannon pinions from watch movements during servicing and repair. Widely regarded as one of the industry’s preferred solutions, it utilizes a lever-operated collet system that securely grips the cannon pinion while minimizing the risk of damage to the movement.

Suitable for both small and large watches, the 4854 is compatible with a wide range of movement calibres and is commonly used by professional watchmakers during complete overhauls, dial work, and motion works servicing. .20mm – Ø1.80mm

• Length: Approximately 130–140mm
• Handle: Wooden handle
• Application: Watch movement servicing and repair  reduce risk of movement damage
• Durable workshop-grade construction
• Trusted by professional watchmakers worldwide  acts against the movement plate, allowing controlled extraction without excessive force. 

Important Note

The BERGEON 4854 is designed for cannon pinions with diameters between 1.20mm and 1.80mm. It is considered one of the safest and most effective dedicated cannon pinion removal tools available, helping to prevent bending, crushing, or damaging delicate movement components during removal.  the 4854 for regular servicing because it provides a more controlled and reliable removal method than improvised alternatives. Community discussions among watchmakers also commonly reference the Bergeon 4854 as the benchmark tool for this task.