Police or reference books
check the serial number.
Check in between the lugs of the watch. Here's a complete guide on how to find and look up a Rolex Serial Number: http://www.bobswatches.com/rolex-serial-numbers
Only if serial number data is available
pull out shell holder serial #behind it
*#06#
lb63958347g
No
000101780
Contact the maker or check their web site.
write a serial port program.then by shorting transmission and reception pin check whether interrupt has occured or not.....like that we can check serial port communication......... regards Parvathy
Check again, that's not a Winchester serial number.
Double check your serial number. sales@countrygunsmith.net