Masar Premium Watch Case Opener Knife - Watch Battery Changing Tool - 3.00mm Blade

Masar Premium — Lever-Operated Watch Case Opener Knife (3.00 mm Blade)

The Masar Premium case opener is an essential watchmaking tool for easily opening snap-on watch case backs and accessing the battery . Compact, practical, and safe, it allows for quick battery replacement without damaging the case or scratching the case back.

Main features

• Type: Manual lever can opener knife
• Blade width: 3.00 mm (ideal for thin clip-on bottoms)
• Material: Recycled plastic handle, sturdy and non-slip
• Colour: orange (easy to spot on a workbench)
• Dimensions: 6.2 cm × 3.3 cm × 1.4 cm
• Use: opening clip-on bottoms, replacing batteries

A practical and safe tool

Thanks to its slim 3mm blade, the Masar Premium knife allows for precise insertion between the case back and the watch case, without forcing. Its ergonomic handle ensures an excellent grip , even for home use. Ideal for automatic or battery -powered watches.

Usage tips

For even safer handling, use a protective plastic film (such as quadruple-layered food wrap) between the blade and the bottom of the case. This prevents any accidental scratches. Then insert the blade into the groove in the bottom and gently pry it open.

Benefits

• Easy to use, even for beginners
• Quick and scratch-free opening
• Durable and resistant materials
• Ideal for changing batteries and maintaining your watches
• Compact and lightweight — perfect for watchmaker's tool kits

FAQ — Frequently Asked Questions

How to use the Masar can opener knife?
Insert the 3 mm blade into the slot in the clipped base, then gently pry it open. Always work on a stable surface, using a cloth or protective film to prevent scratching.

Can this knife open all types of watches?
No, it is designed for clip-on bottoms . For screw-on bottoms , a special jaw-type bottom opener is required.

Is it suitable for automatic watches?
Yes, if it's a snap-on case back. The tool allows you to open the case without damaging the internal mechanism.

What maintenance is required for this tool?
Simply wipe the blade clean after each use and store it in a dry place. The recycled plastic handle ensures a long lifespan.

In summary

The Masar Premium 3.00mm Case Opener Knife is the perfect tool for changing a battery , opening a snap-on watch case back , or performing basic maintenance. Simple, efficient, and durable, it's ideal for collectors, repairers, and watch enthusiasts.

Keywords: watch battery tool, case opener knife, watch back opening, 3mm lever, Masar Premium, battery, automatic, watchmaking.