Pocket Watch Database
https://pocketwatchdatabase.com/search/result/rockford/666129
Access Date: May 09, 2025
From the American Horology Archive:
Rockford Watch Co.
Grade: 900
| Manufacturer: | Rockford |
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| Manufacturer Location: | Rockford, Illinois |
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| Movement Serial Number: | 666129 |
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| Grade: | 900 |
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| Model: | 9 |
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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: | 24j |
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| Jewel Material: | Login to View |
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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 Signing Style: | Login to View |
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| Movement Inlay Color: | Login to View |
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| Movement Setting: | Lever |
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| Wind Mechanism: | Stem |
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| Plate: | Full Plate |
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| Double Roller: | Yes |
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| Regulator: | Login to View |
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| Hairspring: | Login to View |
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| Escapement Type: | Straight-line |
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| Pallet Jewel Material: | Sapphire |
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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 # of Positions: | Login to View |
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| Adjusted to Temperature: | Login to View |
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| Adjusted to Isochronism: | Login to View |
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| Railroad Grade: | Login to View |
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| Movement Markings: | Login to View | |
| Case: | Various | |
| Run ID: | 972.900G5.18S711.189M81.O352.L731.24J8 | |
| Data Research: |
1907 Rockford Serial List |
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| Database Version: | v52.645 | |
| Advanced Metrics | ||
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Members Only Data.
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| Registry Population: Scoped for This Run Only | 24 (4.80%) | |
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Research Note: The c.1907 factory serial lists designates the last run of Grade 900 as consisting of 100 movements [666,001-666,100] with the following serial block beginning at 667,001. Evidence supports that the initial run was extended beyond the published run of 100. Various observations have confirmed that this run is closer to 500 total movements [666,001-666,500]. The highest reported serial number is 666,476. With these conclusions, the estimated total production of the Grade 900 has been increased by 400 to 1,100.
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18 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 Material, Jewel Setting, Movement Signing Style, Movement Inlay Color, Regulator Type, Hairspring, Standard Dial Type, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Movement Markings
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 24 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.
23Greenwich Supporter 280 · August 14, 2024
Serial Number 666309 was reported as accurate.
Anonymous · February 5, 2024
Serial Number 666479 was reported as accurate.
Anonymous · January 25, 2024
Serial Number 666240 was reported as accurate.
Anonymous · January 16, 2024
Serial Number 666240 was reported as accurate.
ChrisG Top Contributor Supporter 620 · December 5, 2023
Serial Number 666240 was reported as accurate.
Anonymous · March 29, 2021
Serial Number 666044 was reported as accurate.
Anonymous · January 25, 2021
Serial Number 666088 was reported as accurate.
Anonymous · April 16, 2019
Serial Number 666329 was reported as accurate.
Johnsmithburg 1 · March 31, 2019
Serial Number 666128 was reported as accurate.
Anonymous · January 5, 2019
Serial Number 666100 was reported as accurate.
WilliamAtkinson 2 · February 7, 2018
Serial Number 666476 was reported as accurate.
Anonymous · February 7, 2018
Serial Number 666476 was reported as accurate.
oilseed Supporter 472 · January 18, 2018
Serial Number 666331 was reported as accurate.
oilseed Supporter 472 · January 18, 2018
Serial Number 666347 was reported as accurate.
Linearpcs 22 · August 29, 2015
Serial Number 666050 was reported as accurate.
Anonymous · April 5, 2015
Serial Number 666033 was reported as accurate.
Gasperoff Supporter 727 · February 10, 2015
Serial Number 666292 was reported as accurate.
Anonymous · July 23, 2014
Serial Number 666472 was reported as accurate.
Anonymous · July 10, 2014
Serial Number 666256 was reported as inaccurate.
setting on the barrel bridge is missing.Could it
be a faked 24J like indicated in _The complete
price guide to wathes, 2006 edition_?
TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · March 29, 2014
Serial Number 666164 was reported as accurate.
TimeAntiquarian Founder Research Expert Historian Top Contributor Supporter 171 · March 29, 2014
Serial Number 666446 was reported as accurate.
Anonymous · February 14, 2014
Serial Number 666256 was reported as inaccurate.
900, Ni, DMK, lever set, railroad grade, open face
Anonymous · February 12, 2014
Serial Number 666376 was reported as inaccurate.
Jewels = 24
Adjustments = 5
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This WatchFrom This Runuploaded by Steve3bs
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From This Runuploaded by AdamVintage
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From This RunImage Source/Credit: eBay Auction
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uploaded by thodge0001
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uploaded by pocketwatch101
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uploaded by pocketwatch101
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Image Source/Credit: Jones & Horan Auctions