Hello,
I'm sorry to hear your Casio Men's G100-1BV "G-Shock" Watch in Black Resin isn't performing as expected. In my experience, the quickest way to have this issue resolved is to contact the manufacturer directly for troubleshooting. Here’s their contact information:
Casio
Phone: 800-435-7732
Website: http://www.casio.com
The manufacturer may require a proof of purchase, such as an invoice, before they'll send you a replacement part. You can view and print an invoice for your order from this link:
https://www.amazon.com/gp/css/summary/print.html?orderID=107-2062455-7107414
If you've contacted the manufacturer and they can't help, please send us a summary of that correspondence and we'll work on another solution.
Please visit the following link to provide the information we requested:
http://www.amazon.com/rsvp-mi?c=cqabchvu3705492957&q=o2r
I hope this information helps. We look forward to seeing you again soon.
We'd appreciate your feedback. Please use the links below to tell us about your experience today.
Best regards,
Yugandar R.