Pocket Watch Database
https://pocketwatchdatabase.com/search/result/ball-hamilton/B640993
Access Date: December 25, 2024
From the American Horology Archive:
Ball - Hamilton
Grade: 999P
Manufacturer: | Ball - Hamilton | |
Movement Serial Number: | B640993 | |
Grade: | 999P | |
Model: | 1 | |
Estimated Production Year: | 1934 | |
Run Quantity: | 4,000 | |
Grade/Model Run: | 11 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: | v52.526 | |
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 | 10 (0.25%) | |
Research Note: Hamilton Hairspring Stud
|
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 10 watches in the population registry for this run with 5 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.
2mnyboxers Supporter 408 · February 11, 2023
Serial Number B642833 was reported as accurate.
mdmiller99 Supporter 33 · September 11, 2021
Serial Number B642356 was reported as accurate.
WatchingU 9 · August 27, 2021
Serial Number B643659 was reported as accurate.
mdmiller99 Supporter 33 · July 18, 2021
Serial Number B642356 was reported as accurate.
clockingscotty 112 · June 30, 2021
Serial Number B641010 was reported as accurate.
Anonymous · August 11, 2018
Serial Number B641713 was reported as inaccurate.
Larger than size 16
16 Jewels
Patent Nov 17.98
andtohellwesail 3 · August 10, 2018
Serial Number B641542 was reported as inaccurate.
commercial standard.
cmdraven 4083 · May 26, 2018
Serial Number B642872 was reported as accurate.
tav396 44 · April 7, 2018
Serial Number B643276 was reported as accurate.
JPALAZZO 14 · July 16, 2016
Serial Number B643023 was reported as accurate.
daddo46 992 · December 4, 2015
Serial Number B641868 was reported as accurate.
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