Question about Casio Protrek Triple Sensor Tough Solar PRG-90-3VDR Watch

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Casio open protrek

The date display says open

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Posted on Jan 02, 2017

  • 12 Answers

SOURCE: casio protrek 2894

The battery does NOT need replaced.
The word "Open" on this watch means that the sensor inside the back of the watch has detected that that the back is open. I ended up having to repair this problem myself after a local watch repair guy told me he didn't want to mess with it. You'll have to get a micro-philips screwdriver and remove a few screws and pop the end caps off to get to your problem.
After you have removed the screws and end caps inside the back there's a small spring that pushes against a copper disk glued to the back of the watch. The problem is that Casio has used a crappy glue to hold this disk in place and it needs to be removed and reglued to the back in it's proper place with super glue. It's a pain in the **** but I have repaired mine by doing this. BTW...I have found a video or another help for this fix on line so I won't go too much into it. Do a Google search and you'll find the step by step process listed elsewhere.

Posted on Nov 20, 2011

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1 Answer

Change time on a protrek casio triple sensor watch


You can download the manual from the link below. The timekeeping instructions are found on pages E-19 - E-24

http://support.casio.com/en/manual/009/qw5213.pdf

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Just open the watch caseback, re-allign the gold contact on the case-back, and make sure it touches the spring in the other side of the watch.

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I have purchased a PROTREK 3246 i am unable to set my city and latitude longitude the city is srinagar (J & K)


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Watch face says open where the date should be


browse through my tips and you will find link for all Casio watch manual downloads.

Oct 01, 2010 | Casio Protrek Triple Sensor Tough Solar...

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I need an english instruction manual for my casio protrek the number on the back is 2272 prg-40sj


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Casio PRO TREK error 'OP EN' Display frozen with the above msg. None of the buttons - except the light - works. Whats wrong .. battery charge shows FULL


The problems is very simple: On the back cover (inside) is a little Cu metal Part. This part is glued to back cover using a poor glue (rubbered glue) and, in time, is moving from original position. You must put back this parts to original positin ( a little hole inside of back cover) and glue using a good glue. When the back cover is mounted , this part must have a ferm contact with two springs from mechanism (sensor for back cover open). If beatwin this springs isn't a electric short (using Cu metal parts) the internal mechanism of watch "see" the back cover is open and show "OPEN" on screen!

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2 Answers

Casio protrek 2894


The battery does NOT need replaced.
The word "Open" on this watch means that the sensor inside the back of the watch has detected that that the back is open. I ended up having to repair this problem myself after a local watch repair guy told me he didn't want to mess with it. You'll have to get a micro-philips screwdriver and remove a few screws and pop the end caps off to get to your problem.
After you have removed the screws and end caps inside the back there's a small spring that pushes against a copper disk glued to the back of the watch. The problem is that Casio has used a crappy glue to hold this disk in place and it needs to be removed and reglued to the back in it's proper place with super glue. It's a pain in the **** but I have repaired mine by doing this. BTW...I have found a video or another help for this fix on line so I won't go too much into it. Do a Google search and you'll find the step by step process listed elsewhere.

Oct 24, 2009 | Casio Protrek Triple Sensor Tough Solar...

1 Answer

Not very helpfull


Because it is not a documented problem for this watch in the user manual to be found at http://ftp.casio.co.jp/pub/world_manual/wat/en/qw2767.pdf

Are you sure you acctually have a Casio Protrek Tough Solar Ana-Digi PRG-60T unit or do you perhaps have some other model of Casio watch and have posted in the wrong place on the forum?

Jan 17, 2009 | Casio Triple Sensor Pathfinder PRG60-1AV...

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