Pocket Watch Database

From the American Horology Archive:
Rockford Grade 910 Pocket Watch

Rockford Watch Co.

Grade: 910

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 536092 Question Mark
Grade: 910 Question Mark
Model: 9 Question Mark
Estimated Production Year: 1899 Question Mark
Run Quantity: 500 Question Mark
Grade/Model Run: 4 of 7 Question Mark
Grade/Model Total Production: 5,200 Question Mark
Size: 18s Question Mark
Jewels: 21j Question Mark
Jewel Material: Ruby & Sapphire Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Train: Quick Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Escapement Type: Straight-line Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted # of Positions: 5 Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Railroad Grade: Yes Question Mark
Case: Various Question Mark
Run ID: 696.910G7.18S629.189M45.O230.L558.21J15 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.65 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
160.02 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.810% Question Mark
Registry Population:
Scoped for This Run Only
11 (2.20%) Question Mark
$ Estimated Value (12 Month Change): 6.83% Analyzing 60 Sales Question Mark
Research Note: #535823, #535874, #535891, and #535866 Reported as Marked "King Edward"

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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 · January 4, 2023

Serial Number 535874 was reported as inaccurate.

Note: This one is marked KING EDWARD.
Curator Response: Thanks for the confirmation!

Anonymous · January 27, 2021

Serial Number 535891 was reported as inaccurate.

Note: This one is mark King Edward 21 jewel adjusted.
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.

texnet 684 · May 22, 2019

Serial Number 536092 was reported as accurate.

Anonymous · May 4, 2019

Serial Number 536092 was reported as accurate.

Anonymous · May 4, 2018

Serial Number 535823 was reported as inaccurate.

Note: Engraved "King Edward", "adjusted", and without
the "RG" marking

Anonymous · March 1, 2018

Serial Number 535930 was reported as accurate.

Anonymous · August 15, 2017

Serial Number 535840 was reported as accurate.

Anonymous · July 9, 2015

Serial Number 535977 was reported as accurate.

Cruzax 1 · June 26, 2014

Serial Number 535976 was reported as accurate.

Cruzax 1 · June 26, 2014

Serial Number 535976 was reported as accurate.

Anonymous · May 3, 2014

Serial Number 535899 was reported as accurate.

Anonymous · April 16, 2013

Serial Number 535866 was reported as inaccurate.

Note: Plates Marked/ King Edward ,Plymouth Watch Co.

Anonymous · April 16, 2013

Serial Number 535866 was reported as accurate.

Rockford Grade 910 Pocket Watch