Pocket Watch Database

From the American Horology Archive:
Rockford Grade 910 Pocket Watch

Rockford Watch Co.

Grade: 910

Some Marked "King Edward"

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 539762 Question Mark
Grade: 910 Question Mark
Model: 9 Question Mark
Estimated Production Year: 1899 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 6 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 Signing Style: Block Letter Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Train: Quick Question Mark
Regulator: Reed 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
Movement Markings: Rockford Watch Co.
21 Jewels
Adjusted R.G.
Case: Various Question Mark
Run ID: 701.910G9.18S634.189M49.O235.L563.21J18 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.517 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
29 (2.90%) Question Mark

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.


ChrisG Top Contributor Supporter 605 · June 2, 2024

Serial Number 540292 was reported as inaccurate.

Note: Post #4 Marked King Edward.
https://mb.nawcc.org/threads/king-edward-plymouth-
watch-co-by-rockford.104032/

Anonymous · September 30, 2023

Serial Number 539992 was reported as accurate.

Anonymous · July 15, 2023

Serial Number 540330 was reported as inaccurate.

Note: Movement Marked King Edward. Has rare factory
non-marked multi-colored fancy dial and hands
instead of traditional double-sunk dial.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · July 16, 2022

Serial Number 539503 was reported as accurate.

Anonymous · March 8, 2021

Serial Number 540166 was reported as accurate.

jamiej 57 · March 5, 2021

Serial Number 540180 was reported as accurate.

Anonymous · June 25, 2019

Serial Number 539596 was reported as accurate.

Anonymous · April 25, 2019

Serial Number 539607 was reported as accurate.

Anonymous · April 4, 2019

Serial Number 540180 was reported as accurate.

batman7460 1 · March 8, 2019

Serial Number 539718 was reported as accurate.

Anonymous · December 15, 2018

Serial Number 539905 was reported as accurate.

Anonymous · November 2, 2018

Serial Number 539623 was reported as accurate.

Anonymous · October 26, 2018

Serial Number 540009 was reported as accurate.

rcterry 10 · October 18, 2018

Serial Number 540056 was reported as accurate.

Anonymous · July 10, 2017

Serial Number 540009 was reported as accurate.

rcterry 10 · June 2, 2017

Serial Number 540056 was reported as accurate.

Gasperoff Supporter 727 · December 26, 2016

Serial Number 540171 was reported as accurate.

slitvinoff 18 · September 29, 2016

Serial Number 540171 was reported as inaccurate.

Note: Movement Markings: King Edward. Dial marking:
Plymouth Watch Co

tsullivan 18 · September 12, 2016

Serial Number 539762 was reported as inaccurate.

Note: not King Edward, no gold jewel screws

Anonymous · November 6, 2014

Serial Number 539574 was reported as accurate.

Anonymous · October 24, 2014

Serial Number 540301 was reported as inaccurate.

Note: 540301
King Edward
21j 18sz
Adjusted

Carrato 96 · July 29, 2014

Serial Number 540119 was reported as accurate.

Rockford Grade 910 Pocket Watch