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China Make 5537 Rolex Back Case Opener Set — aftermarket screw-down case back opener specifically designed for Rolex, Tudor, and similar screw-down waterproof case backs. Includes 1 high-strength wrench handle and 6 precision-machined grooved dies in various diameters to securely engage case back notches for easy removal and installation. Essential professional tool for battery replacement and movement service. Brand new.
| Parameter | Value |
|---|---|
| Brand | China Make (Aftermarket) |
| Model | 5537 |
| Component | Case Back Opener Set |
| Set Contents | 1 Wrench Handle + 6 Grooved Dies |
| Compatibility | Rolex, Tudor & Similar Screw-down Case Backs |
| Application | Battery Replacement, Movement Service, Waterproofing |
| Condition | Brand New |
Q1: Is this a genuine Rolex tool?
A: No — this is a China Made aftermarket case back opener set. It is not manufactured by Rolex or any official service tool supplier. It provides functional compatibility with Rolex and Tudor screw-down case backs at an accessible price.
Q2: How does the grooved die system work?
A: The 6 grooved dies (chucks) have precision-cut grooves that match the notches on Rolex case backs. The correct die is selected based on your Rolex model’s case back notch size, inserted into the wrench handle, and placed over the case back — the grooves securely engage the notches, allowing you to apply leverage to unscrew or tighten the case back easily.
Q3: Will this fit my specific Rolex?
A: The set includes 6 dies of various diameters to cover most common Rolex and Tudor screw-down case back sizes. Different Rolex references use different case back notch configurations — please verify your model’s case back specifications before purchasing.
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