GWG-2000 Disassembly & Comparisons

Lets have a closer inside the built of the brand new GWG-2000 series while at it, lets compare all the parts and find out either it is just the same? is it compatible? how to clean of fix them? or in my case.. how to mod them.
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Other related G-Shock:
1. Wrist check: amzn.to/441QxMS
2. Mudman: amzn.to/46hUi35
3. Mudman: amzn.to/43ZnoSJ
4. Mudmaster: amzn.to/3JfLRer
5. Random of the day: amzn.to/3NbKhLZ
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Thanks for your time! Cheers!.