Pocket Watch Database

From the American Horology Archive:
Rockford Grade 66 Pocket Watch

Rockford Watch Co.

Grade: 66

Production Inconsistent with Factory Records

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 425622
Grade: 66
Variation: LS
Model: 7
Estimated Production Year: 1893
Run Quantity: 500
Grade/Model Run: 15 of 17
Grade/Model Total Production: 14,700
Variant Est. Production: 5,000 (18S-M7-11J-ONL-U-LS)
Size: 18s
Jewels: 11j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Regulator: Type 6
Hairspring: Flat
Escapement Type: Straight-line
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Movement Markings: R.W.Co.
Rockford Ill.
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 467.66G15.18S400.187M84.O96.L330.11J108
Database Version: v52.289
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
44.26
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
452.42
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.289%
Registry Population: 6 (1.20%)
Research Note: #425577: Verified as Two-Tone Movement Marked "17 J - Adjusted" [JH]. #425504: Verified as Marked "21 Jewels" and "Adjusted" with raised jewel settings.[JH]

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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 551 · February 24, 2024

Serial Number 425622 was reported as inaccurate.

Note: Plain regulator - PL dial - same demaskeening
pattern as # 436999.- Image - ebay # 364741282377
Curator Response: Thanks!

Anonymous · June 17, 2021

Serial Number 425835 was reported as accurate.

Anonymous · June 17, 2021

Serial Number 425835 was reported as accurate.

Anonymous · May 4, 2021

Serial Number 425605 was reported as inaccurate.

Note: Rockford Watch movement is marked " Otto Welstein
Rochelle, ILL 21 Jewel adjusted"
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · March 16, 2021

Serial Number 425892 was reported as inaccurate.

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

Anonymous · February 27, 2019

Serial Number 425605 was reported as inaccurate.

Note: My movement is stamped 21 jewels adjusted also has
2 names on it.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

ArmyPilot 10 · May 14, 2017

Serial Number 425860 was reported as accurate.

Anonymous · October 10, 2016

Serial Number 425696 was reported as accurate.

Anonymous · January 5, 2016

Serial Number 425696 was reported as accurate.

Rockford Grade 66 Pocket Watch