Pocket Watch Database

From the American Horology Archive:
Rockford Grade 520 Pocket Watch

Rockford Watch Co.

Grade: 520

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 577821
Grade: 520
Model: 4
Estimated Production Year: 1901
Run Quantity: 100
Grade/Model Run: 2 of 5
Grade/Model Total Production: 600
Size: 16s
Jewels: 21j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Adjusted: Yes
Adjusted # of Positions: 5
Railroad Grade: Yes
Railroad Grade Classification: Class C
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 805.520G2.16S119.164M11.H391.L647.21J49
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.80
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.44
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.093%
Registry Population: 5 (5.00%)

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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.


Rickglick1 Top Contributor Supporter 18 · January 27, 2022

Serial Number 577821 was reported as accurate.

Anonymous · February 13, 2019

Serial Number 577861 was reported as accurate.

Anonymous · February 6, 2019

Serial Number 577833 was reported as accurate.

Anonymous · May 24, 2018

Serial Number 577891 was reported as accurate.

Anonymous · February 24, 2018

Serial Number 577844 was reported as accurate.

Anonymous · February 23, 2018

Serial Number 577883 was reported as accurate.

Rockford Grade 520 Pocket Watch