Rockford Pocket Watch: Serial Number 290380 (Grade 83)

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1888 Rockford Grade 83 M-8 15j 18s Pocket Watch Century Swing out Works w/Chain

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/290380/movement

Access Date: April 27, 2025

From the American Horology Archive:

Rockford Watch Co.

Grade: 83

Mixed Run: Adjusted and Unadjusted Movements

Private Label(s) in Run:

D.C. Jaccard - St. Louis, Mo.

Fred W. Koehler - Sharon, PA.

What is a Private Label?

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	290380
Grade:	83
Model:	8
Estimated Production Year:	1888
Run Quantity:	1,500
Grade/Model Run:	12 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 5
Hairspring:	Breguet
Escapement Type:	Straight-line
Adjusted:	Mixed
Movement Markings:	R.W.Co. Rockford Ill.
Case:	Various
Run ID:	263.83G12.18S261.188M37.H119.L126.15J97
Data Research:	1907 Rockford Serial List
Database Version:	v52.640
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	63.94
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	3.284%
Registry Population: Scoped for This Run Only	7 (0.47%)
Research Note: #290852: Verified as Private Label Marked "D.C. Jaccard - St. Louis, Mo." and "Adjusted" [JH]. #290499: Verified as Not Marked "Adjusted" [JH]. #289699: Reported as 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.