Stalwart Watch Case Opener Wrench

Walmart # 551850836

Stalwart Watch Case Opener Wrench

Walmart # 551850836
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This watch case opener wrench will open and close most waterproof watchcase backs. The wrench can be used for changing watch batteries and movements. The wrench includes four sets of pins: round, flat, square and toothed. The long handle twists to adjust to the size of the watch back. It comes in a wooden box for easy storage.

About This Item

  • Watch case opener
  • Comes complete in storage box
  • Wrench measures 5.5" x 1.75" x 0.625"
  • Customer Reviews
    3.8 out of 5 Stars
    see all 19 reviews
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    1-10 of 19 reviews

    Great tool

    Very nice tool. Has a very sturdy all metal professional feel. Works great. I recommend it.
    Stalwart® is known as a dependable and reliable brand with consumers, and it’s fantastic to see you agree!

    Does the job!

    It does the job and paid for itself with one use. I am sure it is not 'PRO' grade but for the everyday hobbyist, it should be more than adequate.
    So happy to see you are thrilled with this Wrench by Stalwart®!

    Did the job

    I bought this to replace the capacitor in my Seiko kinetic watch. After reading so many negative reviews about similar case openers I was reluctant to buy any sight unseen. I decided on this one mainly because I knew I could take it back to my local Walmart if it was a piece of junk. I was pleasantly surprised to find that it performed flawlessly. I did find that I only needed a 2 prong tool for my Seiko.
    So glad you find this Watch Case Opener Wrench by Stalwart® just as useful for your needs as it is described on!
    Delivery as promised.Quality tool for the cost.With the additional bits and adjustability it adapts to any configuration on the watch backs.
    So glad to hear you've had a wonderful experience. Stalwart® is known for providing quality products at an unbeatable value, and it's great to see another satisfied customer!

    Well worth it!!

    Excellent product.. Replaced 3 watch batteries and it paid for itself.. Now I can take care of family and friends' watches!!
    Glad to hear this Watch Case is able to work for your needs. Stalwart® is known for providing quality products at an unbeatable value, and it's great to see another customer with that experience!

    saved time and money

    purchased this to save me from going to the jeweler to have my watch battery changed, which cost $40 the last time I went. This tool worked great; bought the battery at Walmart for $5. It is for threaded watch backs, and unscrews the back. It's not for "pop-off" watch backs. I did have one issue with one of the pins in the kit, but Walmart service took care of that without any problems at all!! Thanks to Oscar at Walmart!
    Fantastic to hear this dolly by Stalwart® is able to provide such an affordable and easy solution, with high quality materials, and at such a fantastic value. Amazing!


    It took some practice to open the back of my watch but that's to be expected. The wrench is solid and has some weight to it which is good. If it will open my other 2 watches, I will be very satisfied. I wont attempt to do that until I have to replace those batteries. Overall I am happy with it. I would recommend the wrench.
    So great to see you find this Stalwart® Wrench an affordable and valuable option for your watch improvement needs!

    Great quality tool and excellent value.

    The quality far exceeded my expectations. Eventually I will save plenty since every time I took my watch to the local jewelry for a new battery I was chrged $20 per replacement. With this tool I can replace the batery myself for less than $6 each time.
    The quality certainly is superb and the value unmatched for such a delightful and useful item by Stalwart®!

    A real money saver.

    I should have bought one of these things 30 or 40 years ago, but better late than never I guess. Every time I had to go to the jeweler's to have them install a battery for me, I had to pay that little bit extra, and in the long run, that little bit extra would have probably bought me a dozen of these wrenches. If you only buy and use the economical watches, then you only have to pry the back off to change your own battery, but if you have a watch of any kind of half decent quality at all, it will have a screw on back, and these are the instances where this wrench is priceless.
    Fantastic to hear this Wrench by Stalwart® is able to provide such a unique experience, with high quality durability, and at such a fantastic value. Amazing!

    Great product for the price.

    Easy to use and works very well. Would recommend this to a friend. The money saved from doing just one battery change will more than pay for the tool.
    The quality certainly is superb and the value unmatched for such a delightful and useful item by Stalwart®. Fantastic to see another customer impressed with this Wrench!
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