Pocket Watch Database

From the American Horology Archive:
Rockford Grade 640 Pocket Watch

Rockford Watch Co.

Grade: 640

Gilt Trim

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 841128 Question Mark
Grade: 640 Question Mark
Model: 3 Question Mark
Estimated Production Year: 1910 Question Mark
Run Quantity: 1,000 Question Mark
Grade/Model Run: 2 of 2 Question Mark
Grade/Model Total Production: 2,000 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Pinwheel Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Regulator: Reed Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: No Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: No Question Mark
Movement Markings: Rockford Watch Co.
U.S.A.
21 Jewels
Adjusted
Heat & Cold
Case: Various Question Mark
Run ID: 1219.640G2.16S319.163M78.H582.P249.21J118 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
6.02 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
61.53 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.311% Question Mark
Registry Population:
Scoped for This Run Only
11 (1.10%) Question Mark

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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.


MoatsJustin1 top-contributor 5269 · November 8, 2023

Serial Number 841184 was reported as accurate.

siantpeter Supporter 27 · October 19, 2022

Serial Number 841084 was reported as inaccurate.

Note: 21J Rockford are all railway grade not approved
but railway grade , the watch is adjusted to 5
positions
Curator Response: Thanks for the report. However, a pendant-set watch would not have been accepted on the majority of railroads at the time of production. The distinction between "Railroad Grade" and "Railroad Approved" is a modern fabrication by collectors. These terms were synonymous in original publications.

Anonymous · June 10, 2021

Serial Number 841312 was reported as accurate.

Anonymous · August 22, 2020

Serial Number 841228 was reported as accurate.

Anonymous · September 1, 2019

Serial Number 841023 was reported as accurate.

Anonymous · July 19, 2019

Serial Number 841172 was reported as accurate.

Anonymous · April 1, 2019

Serial Number 841071 was reported as accurate.

Brycef 107 · January 23, 2018

Serial Number 841352 was reported as accurate.

Anonymous · April 19, 2014

Serial Number 841432 was reported as accurate.

PGill34 60 · August 17, 2013

Serial Number 841032 was reported as accurate.

PGill34 60 · August 17, 2013

Serial Number 841032 was reported as accurate.

Rockford Grade 640 Pocket Watch