Check the model number on the case back and match it with Casio’s official website
Verify the serial number, if present, with Casio support or the seller
Inspect the Casio logo for sharp, clean printing and correct font
Check the packaging for proper branding, spelling, and print quality
Compare the watch’s weight, finish, and build quality with official product images
Test the buttons, display, backlight, and functions for smooth operation
Look for clear engravings on the case back, not blurry or shallow markings
Confirm the warranty card, manual, and tags are genuine and properly printed
Check the price against official and authorized retailer pricing
Buy only from authorized Casio dealers or trusted sellers
Compare the watch details with official specifications, including color, size, and features
Inspect the strap, clasp, and screws for quality and proper alignment
Check for spelling mistakes anywhere on the watch, box, or documents
Verify the module number inside the case back matches the model
Use Casio’s official customer service or service center for authentication