Pocket Watch Database
https://pocketwatchdatabase.com/search/result/ball-hamilton/B642356/movement
Access Date: May 11, 2025
From the American Horology Archive:
Ball - Hamilton
Grade: 999P
Manufacturer: | Ball - Hamilton |
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Movement Serial Number: | B642356 |
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Grade: | 999P |
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Model: | 1 |
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Estimated Production Year: | Login to View for Free |
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Run Quantity: | Login to View for Free |
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Grade/Model Run: | Login to View for Free |
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Grade/Model Total Production: | Login to View for Free |
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Size: | 16s |
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Jewels: | 21j |
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Movement Configuration: | Openface |
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Movement Finish: | Nickel |
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Finish Pattern: | Login to View for Free |
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Movement Setting: | Lever |
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Plate: | 3/4 Plate |
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Barrel: | Going |
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Adjusted: | Yes |
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Adjusted # of Positions: | 5 |
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Adjusted to Temperature: | Yes |
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Railroad Grade: | Login to View for Free |
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U.S. Patents: | Login to View for Free |
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Movement Markings: | Login to View for Free | |
Case: | Various | ![]() |
Database Version: | v52.645 | ![]() |
Advanced Metrics | ||
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Registry Population: Scoped for This Run Only | 10 (0.25%) | ![]() |
Research Note: Hamilton Hairspring Stud
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8 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Finish Pattern, Railroad Grade Designation, U.S. Patents, Movement Markings
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.
JointVenture Supporter 164 · February 22, 2025
Serial Number B643385 was reported as accurate.
WhiskeyCat Supporter 58 · February 11, 2025
Serial Number B640873 was reported as accurate.
2mnyboxers Supporter 410 · 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 4126 · 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.
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