Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/waltham/9240
https://pocketwatchdatabase.com/search/result/waltham/9240
Access Date: August 12, 2022
We noticed that you entered a relatively short serial number.
"9240" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
"9240" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:

American Waltham Watch Co.
Grade: P.S. Bartlett
Manufacturer: | Waltham | ![]() |
Manufacturer Location: | Waltham, Massachusetts | ![]() |
Movement Serial Number: | 9240 | ![]() |
Grade: | P.S. Bartlett | ![]() |
Model: | 1857 | ![]() |
Estimated Production Date: | April 1858 | ![]() |
Run Quantity: | 30 | ![]() |
Total Production: | 293,259 | ![]() |
Size: | 18s | ![]() |
Jewels: | 11j | ![]() |
Movement Configuration: | Adaptable | ![]() |
Movement Finish: | Gilt | ![]() |
Movement Setting: | Key | ![]() |
Plate: | Full Plate | ![]() |
Balance Type: | Solid | ![]() |
Adjusted: | No | ![]() |
Railroad Grade: | No | ![]() |
Data Research: |
c.1900 Waltham Factory Ledgers 1954 Waltham "Gray Book" List |
![]() |
Case: | Various | ![]() |
Database Version: | v48.268 | ![]() |
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