Pocket Watch Database

From the American Horology Archive:
Rockford Grade 520 Pocket Watch

Rockford Watch Co.

Grade: 520

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 577821 Question Mark
Grade: 520 Question Mark
Model: 4 Question Mark
Estimated Production Year: 1901 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 2 of 5 Question Mark
Grade/Model Total Production: 600 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Railroad Grade: Yes Question Mark
Railroad Grade Classification: Class C Question Mark
Case: Various Question Mark
Run ID: 805.520G2.16S119.164M11.H392.L647.21J49 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.473 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
1.80 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
18.44 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.093% Question Mark
Registry Population:
Scoped for This Run Only
5 (5.00%) Question Mark

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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.


Anonymous · August 25, 2024

Serial Number 577826 was reported as accurate.

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