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The Bergeon 6484 is a Swiss‑made professional case opening tool, specifically designed for removing press‑fit (snap‑on) watch case backs. With an overall length of 140mm and a comfortable, non‑slip plastic handle, its front end features a flat, beveled blade that can be safely inserted into the gap between the case back and the case to pry it open using leverage. This essential tool is suitable for all types of watches with friction‑fit case backs, including quartz watches and some mechanical models with lower water resistance ratings.
Swiss Made: Manufactured by Bergeon, a leading Swiss watchmaking tool brand, ensuring high quality and professional standards.
Compatible case back type: Specifically designed for press‑fit (snap‑on / snap‑back) case backs – not for screw‑down case backs.
Handle: Plastic handle with non‑slip surface for a comfortable grip; 140mm length provides good leverage.
Blade design: The front end is a thin, beveled chisel‑shaped blade. Its low profile allows easy insertion into the narrow gap between the case back and the case. The blade is heat‑treated for hardness and durability.
Safety: Minimises the risk of scratching the case or case back when used correctly.
Repair value: An essential tool for watchmakers to open snap‑back cases, especially for battery changes and movement servicing.
Q1: Why won‘t my case back open?
A: Possible reasons: ① Your case back is screw‑down, not press‑fit; ② The gasket has stuck; try a drop of penetrating oil; ③ You are not using the correct notch. If still stuck, seek professional help.
Q2: Will this tool scratch my watch?
A: Not with proper use. However, metal‑to‑metal contact always carries some risk. Apply thin tape to the blade tip or use protective tape on the case edge.
Q3: Can I sharpen the blade myself?
A: Yes. Use a fine stone (1000+ grit) to lightly hone along the original bevel 2‑3 times. Over‑sharpening will change the blade profile and affect performance.
Q4: What is the difference between Bergeon 6484 and a Swiss Army knife case opener?
A: Bergeon 6484 has a thinner, harder blade specifically designed for watches, with an ergonomic handle for precise force control. Swiss Army knife openers are thicker and more likely to scratch cases.
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.
