Pocket Watch Database


We noticed that you entered a relatively short serial number.
"4107" 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:
Rockford Grade 9 Jewels Pocket Watch

Rockford Watch Co.

Grade: 9 Jewels

Original data is missing for this range. Please report information about your watch movement, if known.

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 4107 Question Mark
Grade: 9 Jewels Question Mark
Model: 1 Question Mark
Estimated Production Year: 1877 Question Mark
Size: 18s Question Mark
Jewels: 9j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Transition Question Mark
Plate: Full Plate Question Mark
Regulator: Plain Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.518 Question Mark

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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.


mbricker 2 · May 10, 2024

Serial Number 4631 was reported as accurate.

Anonymous · May 10, 2024

Serial Number 4631 was reported as accurate.

Anonymous · July 7, 2023

Serial Number 4268 was reported as accurate.

23Greenwich Supporter 252 · June 30, 2022

Serial Number 4566 was reported as accurate.

Bostonjoe Top Contributor Supporter 200 · January 29, 2022

Serial Number 4509 was reported as accurate.

Anonymous · July 9, 2021

Serial Number 4447 was reported as inaccurate.

Note: The pics of this watch on ebay show that the
movement, with this serial number, is engraved as
having 11 jewels, not nine.

Anonymous · December 24, 2020

Serial Number 4942 was reported as inaccurate.

Note: This is a KWKS movement. It is marked 9 (nine)
Jewel, Extra. This should be from 1877, second
year of production.
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Jewels changed from 11j or 15j to 9J

Anonymous · May 2, 2020

Serial Number 4527 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Jewels changed from 11j or 15j to 9J

wmike565 Supporter 115 · September 13, 2018

Serial Number 4254 was reported as inaccurate.

Note: Movement is key wind and key set, 15 jewels.
Picture is provided
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Jewels changed from 11j or 15j to 9J

beelzebud 6 · September 3, 2018

Serial Number 4810 was reported as inaccurate.

Note: Note: Is marked 9 jewels BUT also EXTRA on barrel
bridge
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Jewels changed from 11j or 15j to 9J

Anonymous · June 28, 2018

Serial Number 4527 was reported as inaccurate.

Note: 9 jewel movement
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Jewels changed from 11j or 15j to 9J

beelzebud 6 · June 18, 2018

Serial Number 4107 was reported as inaccurate.

Note: Transitional private label movement 11- 15 GJS.
Crown at 3pm
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · January 25, 2018

Serial Number 4058 was reported as inaccurate.

Note: 15 jewels
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

beelzebud 6 · January 19, 2018

Serial Number 4125 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · September 26, 2017

Serial Number 4564 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · October 24, 2016

Serial Number 4058 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · January 9, 2016

Serial Number 4941 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · February 27, 2014

Serial Number 4667 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

tomc1234 31 · January 11, 2014

Serial Number 4268 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · October 9, 2013

Serial Number 4263 was reported as inaccurate.

Note: Mine is marked 15 jewels. but all else is the same
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

tomc1234 31 · September 3, 2013

Serial Number 4268 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · April 26, 2013

Serial Number 4874 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · April 26, 2013

Serial Number 4862 was reported as inaccurate.

Note: Is marked 9 jewels BUT also EXTRA on barrel bridge
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · April 26, 2013

Serial Number 4862 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition

Anonymous · March 7, 2013

Serial Number 4125 was reported as inaccurate.

Note: not adjusted
private label: Thomas C Calvert
not RR grade
Changes since this report was submitted:
Grade changed from Unknown to 9 Jewels
Movement Setting changed from Key to Transition
Rockford Grade 9 Jewels Pocket Watch