cmould · March 5, 2023
Serial Number 48777 was reported as accurate.
Information Provided by PocketWatchDatabase.com:
https://new.pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/48777
https://new.pocketwatchdatabase.com/search/result/u.s.-watch-co.-waltham-mass/48777
Access Date: June 3, 2026
From the American Horology Archive:
U.S. Watch Co. (Waltham, Mass)
Grade: 45
Due to the lack of existing factory records, our U.S. Watch Co. (Waltham, Mass) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.
The United States Watch Co. of Waltham, Massachusetts should not be confused with the more common American Waltham Watch Co. If the movement is NOT marked "U.S. Watch Co." or "United States Watch Co." please conduct a lookup under the American Waltham Watch Company.
Introduced 1888
| Manufacturer: | U.S. Watch Co. (Waltham, Mass) | ? |
| Manufacturer Location: | Waltham, Massachusetts | ? |
| Movement Serial Number: | 48777 | ? |
| Grade: | 45 | ? |
| Model: | 1888H | ? |
| Estimated Production Year: | 1890 | ? |
| Run Quantity: | 300 | ? |
| Grade/Model Run: | 5 of 9 | ? |
| Grade/Model Total Production: | 3,000 | ? |
| Variant Est. Production: | 2,900 (18S-M1888H-G) | ? |
| Size: | 18s | ? |
| Jewels: | 15j | ? |
| Jewel Setting: | Screw-Set | ? |
| Movement Configuration: | Hunting | ? |
| Movement Finish: | Gilt | ? |
| Movement Setting: | Lever | ? |
| Plate: | Full Plate | ? |
| Regulator: | Micrometric | ? |
| Hairspring: | Breguet | ? |
| Standard Dial Type: | Single-Sunk | ? |
| Adjusted: | No | ? |
| Railroad Grade: | No | ? |
| Movement Markings: | U.S. Watch Co. Waltham, Mass. | ? |
| Case: | Various | ? |
| Run ID: | 82.45G5.18S32.M24.H38.L38.15J22 | ? |
| Database Version: | v52.978 | ? |
| Advanced Metrics | ||
| Members Only Data. Login or create a free account to unlock. | ||
| Registry Population: Scoped for This Run Only: | 3 (1.00%) | ? |
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Population Registry for This Run
Total Known Population In Run 3/300
Percentage of Total Run 1.00%
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There are 3 watches in the population registry for this run with 3 images.
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Verification Reports for this Run
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