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Home / Networking Equipment & Accessories / Watch Repair Tool Triangle Case Opener Three-Jaw Case Back Opener Watch Wrench Maintenance Tool

Attributes

Brand -
Category Root / Networking Equipment & Accessories
Origin -
Material High-carbon steel with anti-rust coating
Jaw Type Three-jaw adjustable triangle design
Handle Length 120 mm
Max Opening Width 25 mm
Weight 85 grams
Color Silver and Black
Grip Type Non-slip rubberized handle
Compatibility Most standard screw-back watch cases
Package Includes 1x Case Opener, 1x Storage Pouch
Warranty 1-Year Manufacturer Warranty

6 reviews

A

Anonymous

Mar 30, 2026

Rating: 4/5

Compact and effective

Love how small it is; fits easily in my drawer. The rubber grip is comfortable even when applying significant pressure.

A

Anonymous

Mar 27, 2026

Rating: 5/5

Essential for hobbyists

If you are into watch maintenance, this is a must-have. It saves me a trip to the jeweler every time I need a battery swap.

A

Anonymous

Mar 26, 2026

Rating: 3/5

Decent for beginners

It gets the job done for simple cases. However, I found it slightly difficult to use on very small or deeply recessed case backs.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Sturdy and reliable

I have used this on over a dozen watches now. The build quality is solid, and the adjustment mechanism stays in place once set.

A

Anonymous

Mar 10, 2026

Rating: 4/5

Good value but requires care

Works well for most watches. You need to be careful not to overtighten on softer case backs, but for the price, it is an excellent addition to my toolkit.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Perfect for DIY watch battery changes

This tool made opening my grandfather's old watch incredibly easy. The jaws grip tightly without slipping, and the handle provides great leverage.

5 FAQ

Q: Will this work on a Rolex Submariner case back?

A: Yes, provided the case back has the standard notches for a three-jaw opener. Please ensure you adjust the jaws carefully to avoid scratching the case.

Q: Is the handle comfortable for people with arthritis?

A: The handle is ergonomically designed with a non-slip rubber grip to reduce hand strain, but we recommend consulting a physician if you have severe mobility issues.

Q: What is the maximum diameter this can open?

A: The maximum opening width is approximately 25mm, which covers the vast majority of standard men's and women's wristwatches.

Q: Does this tool come with replacement tips?

A: No, this model features fixed hardened steel jaws designed for long-term durability and does not require replaceable tips.

Q: Can this be used on snap-off case backs?

A: No, this tool is specifically designed for screw-down case backs with notches. Snap-off cases require a different type of pry tool.

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