Pocket Watch Database

From the American Horology Archive:
Rockford Grade 935 Pocket Watch

Rockford Watch Co.

Grade: 935

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 635583
Grade: 935
Model: 9
Estimated Production Year: 1904
Run Quantity: 1,000
Grade/Model Run: 30 of 61
Grade/Model Total Production: 43,131
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: Full Plate
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 932.935G30.18S697.189M78.O341.L721.17J307
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
129.85
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
1,327.49
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
6.717%
Registry Population: 9 (0.90%)
$ Estimated Value (12 Month Change): -9.33% Analyzing 220 Sales
Research Note: Rockford Serial Lists designate this run as Grade 935. However, multiple movements in run have been verified as a Two-Tone, Unadjusted, 17-Jewel movements more consistent with Grade 938 featuring a radial pattern instead of the common wavy pattern.

#635066: Verified as consistent with other Grade 935 examples.
#635583: Verified as Two-Tone, Unadjusted, 17 Jewels (Consistent with Grade 938 Classification)
#635595: Verified as Two-Tone, Unadjusted, 17 Jewels (Consistent with Grade 938 Classification)
#635961: Verified as Two-Tone, Unadjusted, 17 Jewels (Consistent with Grade 938 Classification)

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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.


ChrisG Top Contributor Supporter 543 · March 9, 2023

Serial Number 635961 was reported as inaccurate.

Note: 635961 verification eBay item number:266158164934.
Thx.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

Dave895 Supporter 90 · October 15, 2022

Serial Number 635595 was reported as inaccurate.

Note: Two Tone , Unadjusted , 17 Jewel movement
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

wmike565 Supporter 115 · January 10, 2021

Serial Number 635583 was reported as accurate.

Anonymous · April 21, 2018

Serial Number 635583 was reported as accurate.

Anonymous · July 23, 2017

Serial Number 635523 was reported as accurate.

Anonymous · July 3, 2015

Serial Number 635061 was reported as accurate.

Bluejay 179 · February 6, 2014

Serial Number 635255 was reported as inaccurate.

Note: Plate is not marked as to Adjusted or Adjusted to
Positions. This I have to think it can not be a
Railroad Grade movement. Cleaned up nicely and is
ticking away within railroad 4 seconds per day
requirement.

Flyskippy1 29 · February 1, 2014

Serial Number 635432 was reported as accurate.

Rockford Grade 935 Pocket Watch