Pocket Watch Database

From the American Horology Archive:
Rockford Grade 60 Pocket Watch

Rockford Watch Co.

Grade: 60

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 404252 Question Mark
Grade: 60 Question Mark
Model: 7 Question Mark
Estimated Production Year: 1892 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 1 of 1 Question Mark
Grade/Model Total Production: 300 Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Signing Style: Serif (Decorative) Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Type 6 Question Mark
Escapement Type: Right-angle Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Movement Markings: R.W.Co.
Rockford, Ill.
17 J
Adjusted
Case: Various Question Mark
Run ID: 431.60G2.18S367.187M69.O81.L294.17J7 Question Mark
Data Research: 1907 Rockford Serial List
Question Mark
Database Version: v52.427 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.90 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
9.20 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.047% Question Mark
Registry Population:
Scoped for This Run Only
5 (1.67%) Question Mark
Research Note: Rockford Serial Lists designate this run as Grade 60 with 11 Jewels. However, #404252 had been verified as marked "17 J" and "Adjusted" with a two-tone finish. #404109 and #404293 have been reported as 17 Jewels and Adjusted. No movements have been observed in this run consistent with the "11 Jewel" designation within official serial lists. Additionally, the first run of Grade 60 movements [250,501-251,000] has been observed as a Model 3 with 11 Jewels despite factory serial lists indicating a Model 7.

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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.


2mnyboxers Supporter 399 · April 2, 2022

Serial Number 404268 was reported as accurate.

Anonymous · September 2, 2021

Serial Number 404205 was reported as accurate.

2mnyboxers Supporter 399 · December 6, 2020

Serial Number 404268 was reported as accurate.

Anonymous · May 18, 2020

Serial Number 404083 was reported as accurate.

Anonymous · April 7, 2020

Serial Number 404083 was reported as accurate.

Anonymous · August 7, 2019

Serial Number 404109 was reported as inaccurate.

Note: This one is a model 7 grade 60 open face 17 jewels
adjusted lever set two-tone movement and it
railroad grade.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.
Changes since this report was submitted:
Jewels changed from 11j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · September 2, 2015

Serial Number 404266 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · March 23, 2015

Serial Number 404215 was reported as accurate.

Changes since this report was submitted:
Jewels changed from 11j to 17j
Movement Finish changed from Nickel to Two-Tone

Anonymous · December 7, 2013

Serial Number 404293 was reported as inaccurate.

Note: Engraved on the back of the movement it says 17
jewels. Below that is the word Adjusted.
Changes since this report was submitted:
Jewels changed from 11j to 17j
Movement Finish changed from Nickel to Two-Tone
Rockford Grade 60 Pocket Watch