Question about Invicta Corduba Skeleton Techno Strap Black Band/Black Dial 7135 Watch for Men

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The stem cover will not open, not sure why, and also not sure which end to exert unusal pressure, as nothing works now short of getting out a screwdriver and trying to pry it open. also, are the upper and lower chronograph stems to lock down like all other Invicta watches? this on will not ? TKS FOR HELP

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Mcdevito75 here, the stem may have a screw down cover if it"s been screwed down to tight you may not be getting a good enough grip to loosen it, Look for a small watch repair shop for this problem. Donot use ant tools yourself to loosen this screw down cover.

Posted on Jul 07, 2010


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I recently purchased a GWR Pocket Watch from York Railway Museum. I can open the watch to see the time, but cannot see how to open the back to adjust it (it is currently on BST) or to change the batt

All watches open from the back. Closely inspect the back cover and find the depression in the edge that a thin knife edge can pry open the cover. Search carefully and pry open but do not force. Most watches are very tightly sealed to prevent moisture from entering, however, if you can pry open at some point along the back cap, look for a thin rubber gasket. If there is not a gasket no worries. Use a C-clamp or hand-vise to clamp the back cover tightly. Be sure to allow the stem slot, adequate clearance so you don't damage it. Look for a "dip" in the case back and locate stem. Hold in place with tape while you squeeze the back into place using the c clamp or vise slowly.

Jan 07, 2015 | Watches

1 Answer

I have changed the battery but cannot get the back panel fixes on to the watch. Tried pressing hard but the panel doesn't fit

The case-backs on some snap-fit watches are very snug in order to increase the sweat and water resistance of the watch. That means that you may need a case press in order to get the back put in place again.
Before you go heading off for a case press, check a few things first. Look carefully at the case back. On some cases, there's a cut-out for the set stem. Is that properly lined up with the stem? If not, that will prevent that case from closing. Next, look for evidence of a thin neoprene gasket that might be either around the case back or lying between the case and the case back. Is that properly in place? Even a little bit of gasket getting in the way will make it really hard to close the case back.
However, I'm guessing that you need a case vise--or that you'll have to give someone with the proper wrench a few dollars to close up your watch. Putting the watch in a regular vise and squeezing tight is a very fast way to wreck your watch--there's a very high risk of cracking the crystal, deforming the case back, or even putting too much pressure on the interior movement and damaging it. A case press puts pressure only on the outside of the crystal bezel and on the edges of the case back--flexing the parts that need to get flexed, but sparing the rest of the watch from that kind of pressure.

Case closing vises come in two basic flavors. The first, which I prefer, is a little tool that sits on a table. You fit in appropriate nylon collars, put the watch between them, and push down with a lever. The second, which I find doesn't always work, looks more like a set of salad tongs with a strange end (actually, parallel pressure points). With this tool, you also add appropriate inserts, then squeeze the handles together like a pair of scissors. It doesn't exert as much pressure as the table-mounted tool, but it's often enough.

Jewelry supply stores carry these case presses, but if you are near a Harbor Freight hardware, store, they also carry inexpensive versions of both of these case presses for a very reasonable $10-15. However, you can usually find someone to close your watch up for you for even less.

Good luck!

May 15, 2011 | Esprit Watches

1 Answer

Does my watch have a battery or do i have to wind it? I tried winding it but it still isnt working I just want to be sure before i bring it to a repair shop. I thank you in advance. Thomas

mcdevito75 here, If you try to wind your watch listen for the distinctive click, click as you wind, if you haer this click, click then it"s a a windup, if the stem just turns without the distinctive sound click, click. then it"s a battery watch, also look for any word on the watch that says Quartz. ONE more thing, you may have a screw down cover on the winding stem, un screw the cover on the stem to get to (the crown, winding stem itself) Most likely you have to un-screw this cover on the stem to get to the actuall stem itself, Invicta makes watches like this to add waterproofing to the watch.

Nov 19, 2010 | Invicta Corduba Luminous Multifunction...

2 Answers

How do I get the back of my fossil watch back on?

mcdevito75 here, Fossil, a nice watch, but the backs of the watch can be tricky, try this, Look for and Tabs, or indentations on the back cover that line up to any of the same in the caseing itself, also look to see if there is a cutout in the cover for the stem (winder) of the watch, if so line up that cutout in the cover with the stem (winder) once you have the cover lined up with the case, grooves, indentations line up, the cutout for the stem lined up, place your watch crystal up and back of the watch down on a sturdy suface, Table, counter top, NOW with very even slow pressure with the palm of your hand press down equally on the crystal, the cover should snap on. Don"t over due the pressure to close the watchm, just nice even down ward pressure with the plam of your hand, Of course try to use your fingers first.

Jul 28, 2010 | Watches

3 Answers

Can't get the back of my watch back on

mcdevito75 here, Your Timex watch back cover should have a cutout in the back cover for the stem (winder) make sure this cutout is lined up with the stem the stem lies in this cutout, once you have it lined up, lay the watch down, crystal (glass up on a sturdy surface, Table, counter top etc. Now, with your palm and even, even pressure on the crystal (glass) simply press down, you"ll hare it click shut. Don"t force anything and if you still can"t get your watch back cover on, look for a small watch repair shop in your arear. It may take a special pair of pliers to get the cover on. Most Timex back covers are kind of hard to get back on.

Jul 11, 2010 | Timex 27191 Wristwatch

1 Answer

Changed battery and cant get cover back on. Whats the trick?

mcdevito75 here, Look for any matching Slot or groove or tab in the cover and the caseing. Example, there may be a small cutout in the cover for the stem, make sure it"s lined up, place the watch on a flat sturdy surface crystal (glass) up with even, even pressure from the palm of your hand press down Evenly and the cover should snap shut, if not, see a small watch repair shop in your area for help.

Jun 24, 2010 | Field and Stream F16PKT Pocket Watch

1 Answer

Battery replacement. can not get back cover on.

mcdevito75 here, First look for any for any notches or cut outs on the cover, there should be a cut out on the cover for the stem, at this point line up the cut out with the stem, place the watch on a sturdy surface, Table, counter top, make sure the watch is completely flat on this surface with the cystal (glass) faceing up, now place the palm of you hand on the crystal and with even pressure press down slowly and evenly, the back should snap on.

Jun 16, 2010 | Pulsar PXH225 Watch

1 Answer

How do I put the back on the watch after replacing the battery?

Most are a press fit. If there is a u cut out of the cover for the stem, make sure it"s lined up with the stem. If there is any kind of groove on the back of the case to pry the cover off, look for it"s mate on the cover and line them up and press the cover on. If your watch has none of the mentioned, you can try to line up the cover with the case as best you can, then place the watch with back cover lined up with the case on a sturdy surface with the watch crystal up, press down on the watch with the palm of your hand with even pressure, the cover should snap shut.

Jun 13, 2010 | Watches

1 Answer

I pulled on the crown and it came off the stem

Do not open the watch yet, as you do not know how to get the stem out.
Take an eyeglass and examine the crown. You will find the small hub in the centre of the crown. If the centre of this hub is hollow and you can see the thread in it- you will be able to screw it back on stem (all watch crowns are screwed on to stems, never pressed).
If the centre of that hub looks filled with metal, then the stem end is broke and you will need replace stem AND crown (the metal filling the hub is the broken end of stem).
In case if the crown still in tact, let me know by asking questions and I'll guide you through all the process HOW TO.

Rate me, please.

Mar 24, 2009 | Watches

1 Answer

Need to remove back of watch

If you are shure that your watch has a removable caseback then you have to use special case opening tool (looks like knife with very short and curved blade). Insert blade into the groove and applying great and steady pressure turn the opener upwards. The back should come off. Make sure the blade doesn't slip, oterwise you will damage the movement.
As your watch model is obsolete, I compared it to MQ24-7BLL and find that this movement should be opened from the front- First the glass must be removed, then stem with crown and then movement itself. In this case you will not be able to do it yourself as special tool for removing glass is needed. If you will try it anyway, you will end up with snapped glass as it is set with great pressure to make case water resistant.



Dec 16, 2008 | Casio MQ24-7B2 Wrist Watch

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