Rockford Pocket Watch: Serial Number 724179 (Grade 205)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/724179

Access Date: June 02, 2025

From the American Horology Archive:

Rockford Watch Co.

Grade: 205

Winnebago

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	724179
Grade:	205
Model:	9
Estimated Production Year:	1907
Run Quantity:	1,000
Grade/Model Run:	3 of 5
Grade/Model Total Production:	4,200
Size:	18s
Jewels:	17j
Jewel Material:	Ruby & Sapphire
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Type 7
Hairspring:	Breguet
Escapement Type:	Straight-line
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Movement Markings:	Rockford Watch Co. U.S.A. Winnebago 17 Jewels Adjusted Five Positions Double Roller
Case:	Various
Run ID:	1049.205G3.18S742.189M101.O396.L764.17J354
Data Research:	1907 Rockford Serial List
Database Version:	v52.681
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Registry Population: Scoped for This Run Only	21 (2.10%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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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.