Pocket Watch Database

From the American Horology Archive:
Rockford Grade 870 Pocket Watch

Rockford Watch Co.

Grade: 870

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 521013 Question Mark
Grade: 870 Question Mark
Model: 10 Question Mark
Estimated Production Year: 1898 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 1 of 2 Question Mark
Grade/Model Total Production: 2,100 Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 619.870G1.18S552.1810M47.H342.L481.7J20 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.431 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
6.32 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
64.60 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.327% Question Mark
Registry Population:
Scoped for This Run Only
4 (0.40%) 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 12, 2020

Serial Number 521126 was reported as accurate.

Csaw31 5 · July 5, 2013

Serial Number 521194 was reported as accurate.

Rockford Grade 870 Pocket Watch