Screw back case opening tool

Click here for help choosing the right tools to open your watch back. They allow you to get into some smaller spaces opening a back without removing the band than the larger wrenches and openers because of their pocket size.

Most 2 pin case back openers have fixed pins, usually in the square shape for the most common style of notches found on case backs. With the ability to grab the back from 3 points you have a better grip on the case back and less chance of the wrench slipping and scratching the case. You also have better torque and will be able to open hard to open watch backs like waterproof watches.

Jaxa wrenches have removable pins that are included with the wrench when purchased so you always have the right pin for the notch.

Friction balls are a handy tool to have at your workbench. These balls are slightly tacky and allow you to get an excellent grip on the case back. These Timepieces Are Perfect for Travel. The 21 Best Office Chairs of Presented by. Hunter D. Related Stories. This content is created and maintained by a third party, and imported onto this page to help users provide their email addresses.

You may be able to find more information about this and similar content at piano. Will hold cases up to 48 mm in diameter. This versatile case holder may be used to hold a case while removing the back, may be placed in your bench vise, or may be used on the bench top to hold a cased watch while working on it.

The body is in steel, the chucks in red plastic. Because each of the chucks is adjusted with its own knob, it is always possible to get a firm grip on anything, of any shape. It will hold cases up to 43 mm in diameter. The Bergeon is one of the finest watch case openers made.

Supplied with four pairs of non-marring case holding plugs for 13 to 22 millimeter lug spread , 6 sets of bits, and a bit holder that opens up to a maximum diameter of 60 MM. This opener will open most waterproof cases with no additional accessories. There are, however, a variety of optional accessories to open most other watches, including suction openers FB and FB for cases that the supplied bits do not fit, and Rolex watches FB and FB I recommend the lower rubber cup set FB for best protection of the watch with all kinds of bits and other upper devices.

The holds the watch case very firmly in a level position, much reducing chance of slippage and scratching.

Alignment and control is perfect. If you want a very well-made, versatile, professional-quality case opener, this is the one to get. A single gouged back on an expensive watch will cost you more than the price of this wrench. Replacement Bits For Bergeon Z Case Opener Bits available for slotted cases, polygonal cases, cases with holes, grooved cases, and for aquastar cases. This kit supplies an adapter FB, also available separately and six milled rings to fit all Rolex production backs.

The rings will leave no visible marring on the back. This set of six upper suction cups for the Z case opener will allow the removal of many screw-backs without the use of metal bits. This is an advantage when bits are not available for the particular case or with soft metals like gold , where bits usually leave some visible marking on tight backs.

These suction openers should be used with the lower rubber cups FB for best protection of the watch. For maximum opening power, the upper cup should be wiped with rubber cleaner like that used for tape recorder pinch rollers or typewriter platens and the watch back cleaned with alcohol. Used in this manner these suction openers are surprisingly effective on even very tight screw-backs.

These three rubber, pin-aligned fittings accomodate virtually all wristwatches and smaller pocket watches and provide a stable, non-marring surface to hold the watch in the case opener.

Without these cups, be sure to lay a polyethylene bag under the watch to avoid marring. When using the wrench, place the watch face down on the lower cup, lower the bits or suction opener onto the back, and allow the bits to level the watch in the lower cup. Then tighten the case clamps. This assures absolute parallelism of watch case and bits.

For those who never want to open anything but a Rolex back, this is the opener. This opener is supplied with adapter and six milled rings fitting all Rolex production backs supplied separately for the Z as FB and FB You can purchase the regular Z attachments for use with the RO to allow opening of regular backs. This set of special case clamps RU allows use of the Z case opener for watches with unusual cases, including those with hooded lugs.

This Bergeon hand wrench is made to open all current and past Rolex backs. Supplied with a handle and six milled rings, it is a well-finished tool. Like all hand wrenches, this one should be used with one of our case holders, shown above. For a more stable, professional approach to Rolex backs, see the FB New Swiss Officers Case Knife.

This is the real thing, much thicker than the regular standard Swiss Army Watch Case Opener shown above. Everything about this knife is bigger and better, and it comes with tweezers and toothpick. This is now the snap back case knife to get. This Japanese copy of a very expensive German unit is just as good and is the finest available tool for opening snap-back cases with precision and complete control.

The watch is mounted between the fully-adjustable pins and can be perfectly aligned with the blade by moving the base and locking it in position. The blade mounted on a finely-screwed shaft is then slowly fed between the case and back. This is a remarkable device that will pay for itself with one unscratched case back. I almost never open a snap-back case any other way these days.

An extra bit is supplied and is mounted in the pin base.