Pocket Watch Database

From the American Horology Archive:
Rockford Grade 83 Pocket Watch

Rockford Watch Co.

Grade: 83

Mixed Run: Adjusted and Unadjusted Movements

Private Label(s) in Run:

E.S. Saunders - Wyoming, IA.
W.B. & E.T. Webb - Jackson, Mich.
Special

What is a Private Label?
Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 426526
Grade: 83
Model: 8
Estimated Production Year: 1893
Run Quantity: 1,000
Grade/Model Run: 26 of 32
Grade/Model Total Production: 21,100
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Hunting
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Regulator: Type 6
Hairspring: Breguet
Escapement Type: Straight-line
Adjusted: Mixed
Movement Markings: R.W.Co.
Rockford Ill.
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 468.83G26.18S401.188M111.H256.L331.15J184
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
63.52
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
649.40
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.286%
Registry Population: 17 (1.70%)
$ Estimated Value (12 Month Change): -16.77% Analyzing 104 Sales
Research Note: #426068: Verified as Marked "R.W.Co. - Rockford, Ill. - Special" [JH]. #426514: Verified as Marked "Railway Special" and "Adjusted" [JH]. #426526: Verified as 15 Jewel Movement (Not Marked "Adjusted").

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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 · December 18, 2023

Serial Number 426068 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · April 4, 2020

Serial Number 426227 was reported as accurate.

Anonymous · November 30, 2019

Serial Number 426068 was reported as inaccurate.

Note: 16 jewel R W C.
Marked Special
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 4, 2019

Serial Number 426748 was reported as inaccurate.

Note: This is a Private Label movement. E.S. Saunders,
Wyoming, IA. Also, regulator is different.
Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · February 25, 2019

Serial Number 426068 was reported as accurate.

Anonymous · June 10, 2017

Serial Number 426860 was reported as accurate.

BARONVONZ 27 · September 21, 2016

Serial Number 426089 was reported as accurate.

Anonymous · May 26, 2015

Serial Number 426244 was reported as accurate.

Anonymous · July 11, 2013

Serial Number 426868 was reported as inaccurate.

Note: Private label (W.B. & E.T. Webb, Jackson, Mich.).
ADJUSTED, STAMPED "17 J" (NOT 15 JEWELS)

Anonymous · December 18, 2012

Serial Number 426692 was reported as accurate.

Rockford Grade 83 Pocket Watch