Rockford Pocket Watch: Serial Number 330235 (Grade 87)

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Rockford RARE private label I. ZELLER. IDAHO SPRINGS, COLO. 15J two-tone (1890)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/330235

Access Date: May 30, 2025

From the American Horology Archive:

Rockford Watch Co.

Grade: 87

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	330235
Grade:	87
Variation:	LP
Model:	7
Estimated Production Year:	1889
Run Quantity:	800
Grade/Model Run:	2 of 8
Grade/Model Total Production:	5,500
Size:	18s
Jewels:	15j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Two-Tone
Movement Setting:	Lever
Plate:	Full Plate
Regulator:	Type 5
Hairspring:	Breguet
Escapement Type:	Straight-line
Standard Dial Type:	Double-Sunk
Adjusted:	Yes
Movement Markings:	R.W.Co. Rockford Ill. Adjusted
Case:	Various
Run ID:	309.87G2.18S307.187M29.O41.L172.15J123
Data Research:	1907 Rockford Serial List
Database Version:	v52.670
Advanced Metrics
Members Only Data. Login or create a free account to unlock.
Registry Population: Scoped for This Run Only	9 (1.13%)
Research Note: Rockford Serial Lists designate this run as featuring "Nickel" plates. However, this is not consistent with the other Grade 87 runs listed as "Nick. & Gilt" (two-tone). Observations in this run have confirmed movements feature a two-tone finish, indicating an error in the factory lists.

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 9 watches in the population registry for this run with 1 image. Create a FREE account or login to view the population registry and add your watch to the registry. Create a Free Account

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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.