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Bergeon 5537 is a Swiss-made back case opener and closer key for waterproof grooved watch cases. Includes 6 sizes of 5523 series keys (18.50–29.50 mm).
Model: Bergeon 5537
Type: Back case opener and closer
Suitable For: Waterproof grooved watch cases
Includes: 5523-0 / 5523-1 / 5523-2 / 5523-3 / 5523-4 / 5523-5
Sizes: 18.50 / 20.20 / 22.50 / 26.50 / 28.30 / 29.50 mm
Origin: Made in Swiss
Condition: Brand new in original packing
1. Is it genuine?
Yes, genuine Bergeon, made in Swiss, brand new in original packing.
2. How is the quality?
Professional-grade quality with 6 keys, precise matching.
3. What is it suitable for?
Ideal for opening and closing waterproof grooved cases.
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.
