---
product_id: 105508328
title: "BERGEON 8008 Rubber Ball to Open and Close case Backs Ø65 mm, black,white, Open"
brand: "bergeon"
price: "HK$230"
currency: HKD
in_stock: true
reviews_count: 13
category: "Bergeon"
url: https://www.desertcart.hk/products/105508328-bergeon-8008-rubber-ball-to-open-and-close-case-backs
store_origin: HK
region: Hong Kong
---

# Durable high-quality rubber grip Non-marking, mechanical precision Ø 67 mm fits most watch backs BERGEON 8008 Rubber Ball to Open and Close case Backs Ø65 mm, black,white, Open

**Brand:** bergeon
**Price:** HK$230
**Availability:** ✅ In Stock

## Summary

> 🕵️‍♂️ Unlock your watch’s secrets with Swiss precision and zero hassle!

## Quick Answers

- **What is this?** BERGEON 8008 Rubber Ball to Open and Close case Backs Ø65 mm, black,white, Open by bergeon
- **How much does it cost?** HK$230 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/105508328-bergeon-8008-rubber-ball-to-open-and-close-case-backs)

## Best For

- bergeon enthusiasts

## Why This Product

- Trusted bergeon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Swiss-Grade Quality:** Crafted by Bergeon, trusted by professional watchmakers worldwide.
- • **Compact & Lightweight:** At just 0.01 ounces, it’s your portable watch repair sidekick.
- • **Effortless Case Opening:** Say goodbye to stubborn watch backs with a simple, no-scratch rubber grip.
- • **FOMO-Proof Your Toolkit:** Join thousands of savvy watch enthusiasts who swear by this essential tool.
- • **Universal Compatibility:** Perfectly sized at 67 mm to tackle most watches and AirTag battery covers alike.

## Overview

The BERGEON 8008 Rubber Ball is a professional-grade, 67 mm diameter rubber tool designed to open and close watch case backs without leaving marks. Lightweight and durable, it’s favored by watchmakers and enthusiasts for its reliable grip on various watch models and AirTag battery covers, making DIY watch maintenance effortless and precise.

## Description

Inexpensive, easy-to-use this case opener allows most watches to be opened and will not leave marks. Ø 67 mm.

Review: Amazed that it worked so easily - I need to regulate my Tudor Blackbay since it started running slow. I tried other die-type openers but none would grip the teeth on the case back, so I thought I'd try this before going to a watch maker When I ordered this I didn't think it would work removing the case back off of my Tudor but it did! And with little effort. I was amazed. Very easy to use. I highly recommend
Review: Best air tag stuck battery opener. Period. - I had trouble opening an air tag to change out the battery. Tried everything I could find on YT and doc google. Finally I found a rubber ball that usually opens watch battery backs. I looked on Az and decided this one which cost a few bucks more but felt it was not a knockoff. Get it! Great price. Quality ball. And you can open any and all air tags, watch backs, etc. would buy again.

## Features

- Professional Swiss Watchmaker Tools
- High Quality
- Work with pleasure

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07N44WVL2 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #46,365 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #40 in Watch Repair Tools & Kits |
| Brand | Bergeon |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (699) |
| Date First Available | January 25, 2019 |
| Display Style | non |
| Finish | Natural |
| Finish Type | Natural |
| Inner Material | Leather |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 0.01 ounces |
| Item model number | Bergeon |
| Jewelry Storage Type | Jewelry Dish |
| Manufacturer | Bergeon |
| Material | Rubber |
| Mounting Type | Table Top |
| Number of Compartments | 1 |
| Number of Items | 1 |
| Part Number | Bergeon |
| Pattern | Solid |
| Product Dimensions | 2.56"D x 2.56"W x 2.56"H |
| Recommended Uses For Product | Watch |
| Shape | Round |
| Special Feature | mechanical |
| Special Features | mechanical |
| Style | Modern |
| Target Audience | Men |
| UPC | 762319126702 |

## Product Details

- **Brand:** Bergeon
- **Color:** Black
- **Finish Type:** Natural
- **Material:** Rubber
- **Product Dimensions:** 2.56"D x 2.56"W x 2.56"H
- **Recommended Uses For Product:** Watch
- **Shape:** Round
- **Special Feature:** mechanical
- **Style:** Modern
- **Target Audience:** Men

## Images

![BERGEON 8008 Rubber Ball to Open and Close case Backs Ø65 mm, black,white, Open - Image 1](https://m.media-amazon.com/images/I/51GGPK1eG2L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Amazed that it worked so easily
*by B***O on October 23, 2025*

I need to regulate my Tudor Blackbay since it started running slow. I tried other die-type openers but none would grip the teeth on the case back, so I thought I'd try this before going to a watch maker When I ordered this I didn't think it would work removing the case back off of my Tudor but it did! And with little effort. I was amazed. Very easy to use. I highly recommend

### ⭐⭐⭐⭐⭐ Best air tag stuck battery opener. Period.
*by D***R on November 3, 2025*

I had trouble opening an air tag to change out the battery. Tried everything I could find on YT and doc google. Finally I found a rubber ball that usually opens watch battery backs. I looked on Az and decided this one which cost a few bucks more but felt it was not a knockoff. Get it! Great price. Quality ball. And you can open any and all air tags, watch backs, etc. would buy again.

### ⭐⭐⭐⭐⭐ Opened my Rolex so I could change the battery.
*by D***. on November 25, 2025*

It can be a pain finding someone to replace the battery in my husband's Rolex Oyster Quartz (yes, Rolex made quartz watches that used batteries). We found one jewelry store, but their batteries seemed to die really quick so I wanted to change them myself. This was perfect item at a great price to get into the case to change the battery.

## Frequently Bought Together

- BERGEON 8008 Rubber Ball to Open and Close case Backs Ø65 mm, black,white, Open
- BERGEON 6033 - Watchmakers Original Rodico One Touch Cleaner Stick - HR6033, Multicolour, Modern
- LYECUN Air Duster, Air Blower Dust Blaster for Watch, Keyboard, Cameras Lens Cleaning

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**Shop now:** [https://www.desertcart.hk/products/105508328-bergeon-8008-rubber-ball-to-open-and-close-case-backs](https://www.desertcart.hk/products/105508328-bergeon-8008-rubber-ball-to-open-and-close-case-backs)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-25*