Pocket Watch Database
https://pocketwatchdatabase.com/search/result/ball-hamilton/548503
Access Date: April 30, 2025
From the American Horology Archive:

Ball - Hamilton
Grade: 999A
Manufacturer: | Ball - Hamilton |
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Movement Serial Number: | 548503 |
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Grade: | 999A |
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Model: | 1 |
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Estimated Production Year: | Members Only Data |
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Run Quantity: | Members Only Data |
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Grade/Model Run: | Members Only Data |
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Grade/Model Total Production: | Members Only Data |
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Size: | 18s |
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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: | Members Only Data |
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Movement Setting: | Lever |
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Plate: | Full Plate |
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Double Roller: | Yes |
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Regulator: | Members Only Data |
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Adjusted: | Members Only Data |
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Adjusted # of Positions: | Members Only Data |
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Adjusted to Temperature: | Members Only Data |
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Railroad Grade: | Members Only Data |
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U.S. Patents: | Members Only Data |
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Movement Markings: | Members Only Data | |
Case: | Various | ![]() |
Database Version: | v52.642 | ![]() |
Advanced Metrics | ||
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Registry Population: Scoped for This Run Only | 4 (0.40%) | ![]() |
Research Note: Hamilton Hairspring Stud
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12 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, Regulator Type, Adjustments, Positional Adjustments, Temperature Adjustments, Railroad Grade Designation, U.S. Patents, Movement Markings
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
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There are 4 watches in the population registry for this run with 3 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.
CJEmpire3 Supporter 127 · September 21, 2024
Serial Number 548926 was reported as accurate.
Artworks 8 · July 29, 2021
Serial Number 548810 was reported as accurate.
netmind 45 · October 1, 2020
Serial Number 548623 was reported as accurate.
Artworks 8 · July 23, 2020
Serial Number 548810 was reported as accurate.
dfchong 837 · August 3, 2019
Serial Number 548859 was reported as accurate.
Anonymous · June 30, 2019
Serial Number 548307 was reported as inaccurate.
barberr1 67 · May 11, 2018
Serial Number 548237 was reported as accurate.
philsan1a 221 · June 2, 2015
Serial Number 548374 was reported as accurate.
philsan1a 221 · June 2, 2015
Serial Number 548374 was reported as accurate.
philsan1a 221 · June 2, 2015
Serial Number 548374 was reported as accurate.

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