Montres Outlet
Gasmann

Adjustable Screw-Down Case Opener Tool up to 50 mm - Gasmann 106131

8,40 €
This watchmaking tool opens screw-down watch cases up to 50 mm in diameter. Compact and adjustable, it is suitable for repairs and regular watch maintenance. Gasmann reference 106131.

In stock, ships within 1 to 2 business days

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Your watch

Delivery options

Mondial Relay· 3 to 5 business daysMondial Relay pickup point
€4.95Free from €69
Colissimo· 2 to 4 business daysHome delivery, La Poste
€8.45
UPS StandardRecommended· 2 to 3 business daysHome delivery, extra secure
€9.95

Carrier lead times are indicative.

Specifications

Brand
Gasmann
Reference
106131
Length
7 cm

This watchmaking tool is designed to open screw-down watch cases in a controlled manner without damaging the case. It is an essential accessory for accessing the movement, replacing a battery or cleaning the inside of a watch. Its adjustability makes it a versatile companion for the repairer.

Compatibility with all diameters up to 50 mm

This tool adapts to cases with a diameter of up to 50 mm, which covers the majority of watches on the market, from classic watches to larger models. The adjustable system allows you to hold the case firmly without risk of slipping. It works exclusively on screw-down cases, not on snap-back cases.

Practical dimensions and robust material

At 7 cm in length, this tool fits easily in the hand and stores without taking up space in a watchmaking kit. The robust material guarantees good durability during repeated handling. The compact design does not compromise grip, which is essential for precision work.

Who is this tool for?

Professional watchmakers and passionate amateurs who regularly maintain their watches will find a reliable and affordable tool here. It is also suitable for after-sales services and repair workshops that handle screw-down cases on a daily basis.

Frequently asked questions

Does this tool work on all types of cases?
No, this tool is specifically designed for screw-down cases. It is not suitable for snap-back or welded cases. Check that your watch has a screw-down case before use.
What case diameter is it compatible with?
The tool adjusts for cases up to 50 mm in diameter. This range covers most watches on the market, from small models to large watches.
What material is this watchmaking tool made from?
The available specifications confirm the robustness of the tool, designed to withstand repeated handling when opening cases. The precise details of the material (steel, brass) are not specified in our data.
Is it suitable for beginner watchmakers?
Yes, this tool is accessible to passionate amateurs and watchmakers in training. Its adjustable system simplifies use. However, opening a case requires care to avoid damaging the water-resistance seal.

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