Pocket Watch Database

From the American Horology Archive:
Rockford Grade 540 Pocket Watch

Rockford Watch Co.

Grade: 540

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 558522
Grade: 540
Model: 4
Estimated Production Year: 1900
Run Quantity: 500
Grade/Model Run: 3 of 5
Grade/Model Total Production: 1,050
Size: 16s
Jewels: 21j
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Plate
Double Roller: Yes
Center Wheel Material: Gold
Standard Dial Type: Double-Sunk
Adjusted: Yes
Adjusted to Position: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Railroad Grade: Yes
Railroad Grade Classification: Class C
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 769.540G3.16S94.164M8.H375.L611.21J37
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
3.16
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
32.29
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.164%
Registry Population: 10 (2.00%)

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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 · September 22, 2023

Serial Number 558710 was reported as accurate.

Anonymous · August 17, 2021

Serial Number 558573 was reported as accurate.

Anonymous · July 29, 2021

Serial Number 558807 was reported as accurate.

Anonymous · March 2, 2021

Serial Number 558754 was reported as accurate.

Anonymous · March 2, 2021

Serial Number 558754 was reported as accurate.

Anonymous · February 28, 2021

Serial Number 558754 was reported as accurate.

Anonymous · February 28, 2020

Serial Number 558710 was reported as accurate.

Anonymous · January 26, 2020

Serial Number 558605 was reported as accurate.

Anonymous · January 23, 2020

Serial Number 558605 was reported as accurate.

Anonymous · December 11, 2019

Serial Number 558701 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · June 2, 2018

Serial Number 558513 was reported as accurate.

Anonymous · May 31, 2016

Serial Number 558876 was reported as accurate.

Anonymous · May 26, 2016

Serial Number 558874 was reported as inaccurate.

Note: Rg

Anonymous · March 26, 2013

Serial Number 558522 was reported as accurate.

Rockford Grade 540 Pocket Watch