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Casio G-Shock MudMaster GWG-1000
2018-Aug-24
 
MudMaster GWG-1000

Many people are suffering the Stuck Second-Hand of the Mudmaster and some other G-shock with Analog Display. However, there is no official explanation about this problem.

Several months before, I tried to solve this problem; however, I failed, the Second-Hand was still stop at about the 5-minute mark. Moreover, I found a dirt inside the case.

Recently, I found a resolution about the Stuck Second-Hand on the Internet. Therefore, I tried to open the watch again ... ... I would like to resolve the problem and take out the dirt.

MudMaster GWG-1000 Uninstall the 4 screws using H2.5 Driver Bit
MudMaster GWG-1000 MudMaster GWG-1000 Pick up the strap cover
MudMaster GWG-1000 MudMaster GWG-1000 Pull out the 4 pins
MudMaster GWG-1000 Uninstall the 4 screws
MudMaster GWG-1000 MudMaster GWG-1000 There are 3 springs and 1 plastic cover
MudMaster GWG-1000 Peel off the Shock Absorbing Plastic
MudMaster GWG-1000 Clear view for your reference
MudMaster GWG-1000

Pay attention to the Stem and the connection of the sensor.

I do not have skilled hands and dedicated tool to disassemble the connector.

I also cannot find the locking mechanism of the Crown / Stem which can be found in the mechanical watch.

Therefore, the calibre (movement) cannot be removed from the case and I cannot remove the dirt mentioned in the first photo.

MudMaster GWG-1000 Pay attention to the slot. The battery clip can be opened by inserting a pin in the slot.
MudMaster GWG-1000 Clear view for your reference
MudMaster GWG-1000 Clear view for your reference
MudMaster GWG-1000 Clear view for your reference
MudMaster GWG-1000

Even though the battery is removed, the watch can get the power from the Light.

Before resetting the MudMaster, place the watch facing down for about 15 minutes. Let the electronic parts exhaust the power.

MudMaster GWG-1000

Before reinstall the battery, short the circuit by connecting the "AC" and "-" with any metal, a thin wire is recommended.

After reinstall the battery, short the circuit again.

MudMaster GWG-1000

Reserve the steps in order to assemble the watch.

Pay attention to the correct place for the Grey Plastic cover.

Activate the "Hand-Set" function. Then, set the time / date and other functions according to the User Manual. The Second-Hand of the Mudmaster should be normal now.

   
 

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