Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/keystone-watch-case-co/BF032977
https://pocketwatchdatabase.com/search/result/keystone-watch-case-co/BF032977
Access Date: April 19, 2024
Available data for Keystone Watch Case Co. is limited. Please consider uploading photos of your watch after adding it to your collection to help us improve the database.
From the American Horology Archive:
Keystone Watch Case Co.
| Manufacturer: | Keystone Watch Case Co. |  |
| Movement Serial Number: | BF032977 | |
| Estimated Production Date: | 1882-1927 | |
| Case: | Various | |
| Database Version: | v52.235 | |
Please note that many times, movements were not finished in sequential order. As a result, the production years provided are estimates, and a margin of error +/- 5 years is expected.