Rockford Watch Co. Serial Number 100221

Specs Value Guide 1577

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From the American Horology Archive:

Rockford Watch Co.

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

Manufacturer:	Rockford	?
Manufacturer Location:	Rockford, Illinois	?
Movement Serial Number:	100221	?
Grade:	Unknown	?
Model:	1	?
Estimated Production Year:	1880	?
Size:	18s	?
Jewels:	11j	?
Movement Configuration:	Adaptable	?
Movement Finish:	Gilt	?
Movement Setting:	Key	?
Wind Mechanism:	Key	?
Plate:	Full Plate	?
Case:	Various	?
Run ID:	127.G91.18S127.181M105.E102.K98.11J20	?
Data Research:	1907 Rockford Serial List	?
Database Version:	v52.978	?
Registry Population: Scoped for This Run Only:	12 (1.20%)	?
$ Estimated Value (12 Month Change):	+14.18% Analyzing 1,577 Sales	?

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Review Value Guide +14.18% Explore Population Registry 12 registered watches

Population Registry for This Run

Total Known Population In Run 12/1,000

Percentage of Total Run 1.20%

There are 12 watches in the population registry for this run with 2 images.
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Does this information describe your movement accurately?

Verification reports help confirm surviving examples and flag data that needs further research.

Why Might This Information Be Incorrect?

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.

Eaaj369 · April 19, 2024

Serial Number 100389 was reported as inaccurate.

Note: 8s 15j lever set hunter

Changes since this report was submitted:

Configuration changed from Adaptable to Either

Anonymous · November 30, 2021

Serial Number 100457 was reported as accurate.

Changes since this report was submitted:

Configuration changed from Adaptable to Either

chuck1500 · January 19, 2021

Serial Number 100267 was reported as accurate.

Anonymous · November 29, 2020

Serial Number 100484 was reported as accurate.

Anonymous · June 4, 2020

Serial Number 100019 was reported as accurate.

shovelhead · September 29, 2018

Serial Number 100294 was reported as accurate.

dcooper · February 26, 2017

Serial Number 100221 was reported as inaccurate.

Note: 100221 is 11 jewel

Changes since this report was submitted:

Jewels changed from 9j to 11j

Anonymous · June 26, 2013

Serial Number 100211 was reported as inaccurate.

No further details were submitted with the report.

Changes since this report was submitted:

Jewels changed from 9j to 11j
Configuration changed from Hunting to Either

This Watch From This Run
#100221 uploaded by dcooper
From This Run
#100818 uploaded by Diverguy64

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Access Date: June 3, 2026

From the American Horology Archive:

Rockford Watch Co.

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

Continue Your Research

Population Registry for This Run

Total Known Population In Run 12/1,000

Percentage of Total Run 1.20%

Does this information describe your movement accurately?

Verification Reports for this Run

Eaaj369 · April 19, 2024

Anonymous · November 30, 2021

chuck1500 · January 19, 2021

Anonymous · November 29, 2020

Anonymous · June 4, 2020

shovelhead · September 29, 2018

dcooper · February 26, 2017

Anonymous · June 26, 2013