Pocket Watch Database

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

Rockford Watch Co.

Grade: 83

Private Label(s) in Run:
T. H. Gill - Marengo, Ill.
What is a Private Label?
Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 417681
Grade: 83
Model: 8
Estimated Production Year: 1893
Run Quantity: 500
Grade/Model Run: 25 of 32
Total Production: 21,100
Size: 18s
Jewels: 17j
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: v47.171
Research Note: Rockford Serial Lists designate this run as featuring 17 Jewels instead of 15 like other Grade 83 runs. #417681: Verified as Marked "17 J" with features more consistent with the Grade 82. #417515: Verified as Private Label Marked "T. H. Gill - Marengo, Ill." with 17 Jewels.

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Data Verification Reports

Verification Serial Map

Radron 102 · December 5, 2019

Serial Number 417515 was reported as inaccurate.

Note: This unit is a private label marked "T. H. Gill,
Marengo, Ill." on both the SS dial and the 17J
movement. Jewels verified. Unique checkerboard
pattern. See collection.
Changes since this report was submitted:
Jewels changed from 15j to 17j

Radron 102 · October 28, 2019

Serial Number 417681 was reported as inaccurate.

Note: Marked 17J, verified accurate. Also marked
adjusted. See collection. The description of a
model 82 fits this movement better than that of a
model 83.
Changes since this report was submitted:
Jewels changed from 15j to 17j

Anonymous · November 29, 2017

Serial Number 417684 was reported as accurate.

Rockford Grade 83 Pocket Watch Movement