Pocket Watch Database
https://pocketwatchdatabase.com/search/result/hamilton/4666
Access Date: May 05, 2025
"4666" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:

Hamilton Watch Co.
Grade: 934
Manufacturer: | Hamilton |
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Manufacturer Location: | Lancaster, Pennsylvania |
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Movement Serial Number: | 4666 |
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Grade: | 934 |
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Model: | 1 |
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Class: | 2 |
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Estimated Production Year: | Login to View |
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Run Quantity: | Login to View |
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Grade/Model Run: | Login to View |
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Grade/Model Total Production: | Login to View |
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Size: | 18s |
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Jewels: | 17j |
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Jewel Setting: | Login to View |
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Movement Configuration: | Openface |
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Movement Finish: | Nickel |
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Movement Setting: | Lever |
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Plate: | Full Plate |
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Regulator: | Login to View |
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Hairspring: | Login to View |
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Standard Dial Type: | Login to View |
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Adjusted: | Login to View |
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Adjusted to Position: | Login to View |
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Adjusted to Temperature: | Login to View |
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Railroad Grade: | Login to View |
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Dial Feet Locations: | Login to View |
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Case: | Various | ![]() |
Run ID: | 20.934G1.18S20.181M8.O8.L20.17J10 | ![]() |
Data Research: |
1953 Hamilton Serial List |
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Database Version: | v52.644 | ![]() |
Advanced Metrics | ||
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Registry Population: Scoped for This Run Only | 17 (2.13%) | ![]() |
13 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, Jewel Setting, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Temperature Adjustments, Railroad Grade Designation, Dial Feet Locations
Population Registry for This Run
Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
---|---|---|---|---|---|
There are 17 watches in the population registry for this run with 7 images.
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Help Us Help Others By Improving the Database:
Does this information describe your movement accurately?
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.
bjeans01 Supporter 56 · April 24, 2025
Serial Number 4716 was reported as accurate.
Anonymous · May 12, 2022
Serial Number 4394 was reported as inaccurate.
NumbatNinja Supporter 48 · December 28, 2021
Serial Number 4666 was reported as accurate.
Gimparoo Supporter 703 · February 19, 2019
Serial Number 4709 was reported as accurate.
Gimparoo Supporter 703 · April 29, 2018
Serial Number 4383 was reported as accurate.
nicnic Supporter 416 · March 2, 2018
Serial Number 5046 was reported as accurate.
Anonymous · February 19, 2017
Serial Number 4529 was reported as accurate.
jacobwalls07 143 · February 15, 2017
Serial Number 4740 was reported as accurate.
jacobwalls07 143 · February 13, 2017
Serial Number 4740 was reported as accurate.
Anonymous · January 1, 2017
Serial Number 4698 was reported as accurate.
Anonymous · March 12, 2016
Serial Number 4899 was reported as accurate.
Anonymous · February 10, 2016
Serial Number 4899 was reported as accurate.
Anonymous · January 28, 2015
Serial Number 4992 was reported as inaccurate.
Dondon 13 · January 6, 2015
Serial Number 5058 was reported as accurate.
Anonymous · December 10, 2014
Serial Number 4533 was reported as accurate.
Anonymous · April 1, 2014
Serial Number 4992 was reported as inaccurate.
Anonymous · June 15, 2013
Serial Number 4992 was reported as inaccurate.
Anonymous · June 15, 2013
Serial Number 4564 was reported as accurate.
Anonymous · January 8, 2013
Serial Number 4992 was reported as inaccurate.
Anonymous · January 3, 2013
Serial Number 4533 was reported as accurate.

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