Rockford Pocket Watch: Serial Number 770003 (Grade 938)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/770003

Access Date: January 29, 2023

From the American Horology Archive:

Rockford Watch Co.

Grade: 938

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	770003
Grade:	938
Model:	9
Estimated Production Year:	1908
Run Quantity:	500
Grade/Model Run:	4 of 10
Grade/Model Total Production:	7,200
Size:	18s
Jewels:	17j
Movement Configuration:	Openface
Movement Finish:	Two-Tone
Movement Setting:	Lever
Plate:	Full Plate
Data Research:	1907 Rockford Serial List
Case:	Various
Registry Population:	5 (1.00%)
Database Version:	v49.712

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
1	Image Credit: afilter	770003	#3	Collection	January 05, 2023
2		770117	#117	Marketplace	March 08, 2018
3		770204	#204	Collection	July 31, 2015
4		770419	#419	Marketplace	March 10, 2018
5		770445	#445	Marketplace	March 24, 2018
Standard Deviation of Known Examples: 191.46 (Expected: 144.48, Δ46.98/9.40%)

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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.