Pocket Watch Database

From the American Horology Archive:
Rockford Grade 335 Pocket Watch

Rockford Watch Co.

Grade: 335

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 866438 Question Mark
Grade: 335 Question Mark
Model: 2 Question Mark
Estimated Production Year: 1911 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 13 of 18 Question Mark
Grade/Model Total Production: 14,500 Question Mark
Size: 12s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 1247.335G13.12S58.122M33.O510.P268.17J478 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.457 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
43.65 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
446.26 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.258% Question Mark
Registry Population:
Scoped for This Run Only
5 (1.00%) Question Mark
$ Estimated Value (12 Month Change): 0% Analyzing 70 Sales Question Mark
Research Note: #866438: Consistent with Grade 335 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.


Thamm7 3 · January 28, 2017

Serial Number 866437 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 335

joeqwe 14 · July 29, 2015

Serial Number 866497 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 335

jdillon 4 · April 1, 2015

Serial Number 866387 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 335

jdillon 4 · April 1, 2015

Serial Number 866387 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 335

Anonymous · May 8, 2014

Serial Number 866050 was reported as inaccurate.

Note: 17 jewels
Changes since this report was submitted:
Grade changed from Unknown to 335
Jewels changed from 15j to 17j
Movement Setting changed from Lever to Pendant
Rockford Grade 335 Pocket Watch