Pocket Watch Database

From the American Horology Archive:
Rockford Grade 587 Pocket Watch

Rockford Watch Co.

Grade: 587

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 680990
Grade: 587
Model: 2
Estimated Production Year: 1906
Run Quantity: 500
Grade/Model Run: 8 of 18
Grade/Model Total Production: 15,795
Size: 16s
Jewels: 15j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: 3/4 Plate
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 991.587G8.16S227.162M43.O365.P96.15J237
Database Version: v52.245
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
47.55
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
486.12
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
2.460%
Registry Population: 5 (1.00%)
$ Estimated Value (12 Month Change): -16.85% Analyzing 65 Sales
Research Note: Rockford omits this run in factory serial lists. However, 679001-680500 is designated as Grade 587 (16s, Openface, 3/4 Plate, Nickel, 15-Jewel, Pendant-Set, Model 2). Multiple reports have been submitted identifying similar movements within this subsequent run. Therefore, this run has been classified as Grade 587, a continuation of the previous run. #680990: Verified as consistent with Grade 587 classification.

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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.


Humphrey Supporter 47 · April 7, 2020

Serial Number 680503 was reported as accurate.

pwdmbj Supporter 554 · April 10, 2019

Serial Number 680990 was reported as inaccurate.

Note: Model 2
Openface
Pendant set
Nickel finish
15 jewels
Curator Response: Thanks for the report. This run, originally omitted in factory serial lists, has now been classified as Grade 587.
Changes since this report was submitted:
Grade changed from Unknown to 587
Factory Model changed from 0 to 2

Anonymous · January 25, 2018

Serial Number 680522 was reported as accurate.

Changes since this report was submitted:
Grade changed from Unknown to 587
Factory Model changed from 0 to 2

exchangecenter 8 · July 22, 2013

Serial Number 680966 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Grade changed from Unknown to 587
Factory Model changed from 0 to 2
Plate changed from Full to 3/4

robertjblais 21 · July 9, 2013

Serial Number 680830 was reported as inaccurate.

Note: Estimated Production Year : 1906
Size : 16s
Jewels : 15 jewels
Case: Open Face
Movement Setting : Pendant
Changes since this report was submitted:
Grade changed from Unknown to 587
Size changed from 18 to 16
Jewels changed from ? to 15j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 0 to 2
Movement Setting changed from Lever to Pendant
Plate changed from Full to 3/4

Anonymous · July 1, 2013

Serial Number 680575 was reported as inaccurate.

Note: 16S
Changes since this report was submitted:
Grade changed from Unknown to 587
Size changed from 18 to 16
Jewels changed from ? to 15j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 0 to 2
Movement Setting changed from Lever to Pendant
Plate changed from Full to 3/4

Anonymous · July 1, 2013

Serial Number 680575 was reported as inaccurate.

Note: 15J
Changes since this report was submitted:
Grade changed from Unknown to 587
Size changed from 18 to 16
Jewels changed from ? to 15j
Movement Configuration changed from Hunting to Openface
Factory Model changed from 0 to 2
Movement Setting changed from Lever to Pendant
Plate changed from Full to 3/4
Rockford Grade 587 Pocket Watch