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Rotary Evolution Battery Replacement

jreclocks

By jreclocks
in Watch Repairs Help & Advice

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jreclocks New Member

jreclocks

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I have a Rotary Dual face watch ' TZ2  Evolution' with two separate movements, one with subsidiary seconds, the other with a date ring  has stopped working

I suspect the battery in this side has failed and needs a new one but how is the case  opened? Presumably the BackPlate and associated strap must initially be

separated from the case by removing the pin common to the three parts. The case also seems to be of three parts, two bezels and the main mid-section.

There are no "lips" on any edge and then there are the crowns!

Please see the photos attached. I would be grateful if any member who has experience or knowledge of this particular edition  of Rotary's 'reversibles' could

give me guidance 

Thank you

John

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jdm Distinguished Member

jdm

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25 minutes ago, jreclocks said:

There are no "lips" on any edge and then there are the crowns!

You need to examine the sides with a loupe or eyepiece to find where to start inserting a blade tool, like an X-acto type knife. That is safer than a razor blade.

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LittleWatchShop Distinguished Member

LittleWatchShop

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1 hour ago, watchweasol said:

His technique with metal tweezers is a bit suspect on a battery change hope they were NON conductive.

My bet is that they ARE conductive!  I use Delrin-tipped tweezers for this.

I am an amateur mind you...should you dial down on a hard surface and apply pressure to the hands while pressing in the battery?

Should your fingers be touching the dial?

 

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jreclocks New Member

jreclocks

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Thank you  Clockboy, for steering me to the video of a model similar to the 'TZ2'. I was reluctant to 'jump' right in because

there seemed to be no way of extracting the stem without removing  a bezel.

The other worry was  lifting a bezel, the seams seem so close. I will let you know how I get on. John

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clockboy Distinguished Member

clockboy

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Posted
3 hours ago, jreclocks said:

Thank you  Clockboy, for steering me to the video of a model similar to the 'TZ2'. I was reluctant to 'jump' right in because

there seemed to be no way of extracting the stem without removing  a bezel.

The other worry was  lifting a bezel, the seams seem so close. I will let you know how I get on. John

The method used is the most likely way to access the batteries. You might be able to pull the stem out with this style of hand remover.To avoid scratches cover the stem first with clear plastic.

 

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    • Neverenoughwatches
      Stem removal after fitting hands

      By Neverenoughwatches · Posted

      So leave off the seconds. Stand the movement on its edge, its the dial edge that rests on the pad ( either rubber or cork , something that wont slip ). Use a finger of your left hand to hold the movement upright,  right hand presses the release and flicks out the stem. I do it this way so i can see what I'm under a microscope. But you could hold the movement between two fingers of your left hand, its the right that has to manipulate the stem out by pushing the release and flicking out the stem with  right ring finger nail. Sounds more complicated than it actually is. I guess you could fix a push pin to something solid, then all you need to do is push the release against the pin, leaving your right hand completely free to pull the stem out.
    • HectorLooi
      Battery

      By HectorLooi · Posted

      Try putting everything back together and closing the back cover. I think one of the two springs has to contact the metal casing to ground the casing. So when you press the button, it will touch the contact on circuit board and close the circuit.
    • PeterS
      Stem removal after fitting hands

      By PeterS · Posted

      Yes, the seconds hand is the longest and goes almost to the edge of the dial. I can’t quite picture it how you do it on the rubber pad
    • Murks
      Battery

      By Murks · Posted

      A don't think so it leaked or damaged it because the watch itself works it just the buttons ain't working not connecting with the circuit board have taken more pictures of where the buttons makes contact with the circuit board.
    • Neverenoughwatches
      Stem removal after fitting hands

      By Neverenoughwatches · Posted

      I think what peter means oh is once he has fitted the hands and  checked for  alignment if them and that they dont foul, how does he then hold the movement to remove the stem in order to case up. The dial cannot be laid on a cushion or in a movement holder as the hands will get damaged. This can be quite tricky for a beginner, what i do is  to stand the movement on edge on a rubber pad so it doesn't slip. Hold the top edge with one finger then my dominant hand uses 3 fingers to press the stem release and flick out the stem. See below peter, leave off the second hand as this is the longest and gets caught the most, then fit it once the stem is out. Alternatively place the movement in one of the cup style holders, i imagine this is what they are designed for. They only touch the very edge of the dial.  
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