Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/ball-hamilton/B625551
https://pocketwatchdatabase.com/search/result/ball-hamilton/B625551
Access Date: March 27, 2025
From the American Horology Archive:
Ball - Hamilton
Grade: 999P
| Manufacturer: | Ball - Hamilton |  |
| Movement Serial Number: | B625551 | |
| Grade: | 999P | |
| Model: | 1 | |
| Estimated Production Year: | 1927 | |
| Run Quantity: | 6,000 | |
| Grade/Model Run: | 6 of 15 | |
| Grade/Model Total Production: | 40,300 | |
| Size: | 16s | |
| Jewels: | 21j | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Finish Pattern: | Circular | |
| Movement Setting: | Lever | |
| Plate: | 3/4 Plate | |
| Barrel: | Going | |
| Adjusted: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | Yes | |
| U.S. Patents: | D32330 | |
| Movement Markings: | Official Standard Ball Watch Co. Cleveland,O. 21 Jewels Adjusted 5 Positions Sapphire Pallets Trade Mark |
|
| Case: | Various | |
| Database Version: | v52.624 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 121.33 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 916.84 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 34.934% | |
| Registry Population: Scoped for This Run Only | 24 (0.40%) | |
|
Research Note: Hamilton Hairspring Stud
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Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 24 watches in the population registry for this run with 10 images.
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Verification Reports for this Run
The following reports have been graciously submitted by dedicated members in reference to this production run. These reports are useful to verify data and track inaccuracies that require further research. Please note that reports may contain inaccurate information or assumptions that must be dilligently considered with other available sources.
ChrisG Top Contributor Supporter 619 · August 31, 2023
Serial Number B629669 was reported as accurate.
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