Pocket Watch Database

From the American Horology Archive:
Rockford Grade 83 Pocket Watch Movement

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
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
Database Version: v46.977
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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Data Verification Reports

426001
Verification Serial Map
427000

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 Movement