I unfortunately cracked the crystal on an Elgin model 3 that was passed down to me. The serial number is 28103750. When I try to launch searches based on the information I find for this serial number on pocketwatchdatabase.com (newbies not allowed to insert links), I come up with close-but-not-quite. For example, the detail on the rim does not match (see attached image). I don't know how to narrow my search. I am definitely in over my head. Any help from pros and enthusiasts would be...

replacement crystal Elgin model 3