---
description: Bergeon 5537 back case opener and closer, 6 keys (5523 series), 18.50–29.50mm. For waterproof grooved cases. Swiss made, genuine, new in original packing.
title: Bergeon 5537 Back Case Opener And Closer - Sofly
image: https://www.soflypart.com/wp-content/uploads/2019/03/Bergeon-5537-Key-in-steel-for-opening-and-closing-waterproof-and-with-6-cleats.jpg
---
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- **Bergeon 5537 Back Case Opener And Closer**
[](https://www.soflypart.com/wp-content/uploads/2019/03/Bergeon-5537-Key-in-steel-for-opening-and-closing-waterproof-and-with-6-cleats.jpg)
[](https://www.soflypart.com/wp-content/uploads/2019/03/5537-1.jpg)
# Bergeon 5537 Back Case Opener And Closer
$220.00
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- Covers 99% of Repair Needs
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## Product Description
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**).
## Specifications
- **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**
## FAQ
**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**.
## Why Choose SOFLY Watch Parts?
**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 **info@soflypart.com** or WhatsApp **+86 18620212114.**
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