Anonymous · February 20, 2026
Serial Number 81157 was reported as inaccurate.
No further details were submitted with the report.
Information Provided by PocketWatchDatabase.com:
https://new.pocketwatchdatabase.com/search/result/hamilton/81107
https://new.pocketwatchdatabase.com/search/result/hamilton/81107
Access Date: June 3, 2026
From the American Horology Archive:
Hamilton Watch Co.
Grade: 961
| Manufacturer: | Hamilton | ? |
| Manufacturer Location: | Lancaster, Pennsylvania | ? |
| Movement Serial Number: | 81107 | ? |
| Grade: | 961 | ? |
| Model: | 4 | ? |
| Class: | 1 | ? |
| Estimated Production Year: | 1903 | ? |
| Run Quantity: | 300 | ? |
| Grade/Model Run: | 4 of 8 | ? |
| Grade/Model Total Production: | 2,410 | ? |
| Variant Est. Production: | 1,050 (16S-M4-P) | ? |
| Size: | 16s | ? |
| Jewels: | 21j | ? |
| Jewel Material: | Ruby & Sapphire | ? |
| Jewel Setting: | Gold Settings (Screw-Set) | ? |
| Movement Configuration: | Hunting | ? |
| Movement Finish: | Nickel | ? |
| Movement Setting: | Pendant | ? |
| Plate: | Bridge Plate | ? |
| Bridge Type: | Center | ? |
| Barrel: | Going or Motor | ? |
| Train Material: | Gold | ? |
| Center Wheel Material: | Gold | ? |
| Regulator: | Reed | ? |
| Hairspring: | Breguet | ? |
| Pallet Jewel Material: | Sapphire | ? |
| Standard Dial Type: | Double-Sunk | ? |
| Adjusted: | Yes | ? |
| Adjusted to Position: | Yes | ? |
| Adjusted # of Positions: | 5 | ? |
| Adjusted to Temperature: | Yes | ? |
| Adjusted to Isochronism: | Yes | ? |
| Railroad Grade: | Yes | ? |
| Dial Feet Locations: |
7.6, 21.8, 38.0, 50.5 Hamilton 16s Dial Feet Research |
? |
| Case: | Various | ? |
| Run ID: | 329.961G4.16S171.164M9.H154.P131.21J25 | ? |
| Data Research: | 1953 Hamilton Serial List | ? |
| Database Version: | v52.978 | ? |
| Advanced Metrics | ||
| Members Only Data. Login or create a free account to unlock. | ||
| Registry Population: Scoped for This Run Only: | 6 (2.00%) | ? |
Continue Your Research
Population Registry for This Run
Total Known Population In Run 6/300
Percentage of Total Run 2.00%
|
There are 6 watches in the population registry for this run with 2 images.
Create a FREE account or login to view the population registry and add your watch to the registry. |
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Why Might This Information Be Incorrect?
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Verification reports help confirm surviving examples and flag data that needs further research.
Verification Reports for this Run
The following reports have been submitted by members in reference to this production run. These reports help verify data and track inaccuracies that require further research.
Anonymous · February 20, 2026
Serial Number 81157 was reported as accurate.
Anonymous · February 20, 2026
Serial Number 81157 was reported as inaccurate.
No further details were submitted with the report.
Anonymous · January 19, 2024
Serial Number 81022 was reported as accurate.
Anonymous · January 22, 2022
Serial Number 4C81107 was reported as accurate.
Changes since this report was submitted:
- Grade changed from 4992B to 961
- Jewels changed from 22j to 21j
- Configuration changed from Open Face to Hunting
- Model changed from 5 to 4
- Adjusted Positions changed from 6 to 5
- Railroad Grade changed from No to Yes
- Plate changed from 3/4 to Bridge
Anonymous · April 18, 2021
Serial Number 81291 was reported as accurate.
Anonymous · February 23, 2021
Serial Number 81030 was reported as accurate.
Anonymous · August 24, 2019
Serial Number 81190 was reported as accurate.
bubba70 · July 17, 2019
Serial Number 81201 was reported as accurate.
tav396 · March 13, 2019
Serial Number 81204 was reported as accurate.
scotch · December 11, 2018
Serial Number 81088 was reported as accurate.
Gimparoo · November 22, 2017
Serial Number 81201 was reported as accurate.
Anonymous · January 17, 2017
Serial Number 81176 was reported as accurate.
Brycef · January 11, 2017
Serial Number 81176 was reported as accurate.
Anonymous · August 31, 2015
Serial Number 81231 was reported as inaccurate.
Note: MOVEMENT SETTING: PENDANT SET
Anonymous · March 23, 2014
Serial Number 81228 was reported as accurate.
Anonymous · October 28, 2012
Serial Number 81201 was reported as accurate.
Changes since this report was submitted:
- Setting changed from Lever to Pendant