Rockford Pocket Watch: Serial Number 359392 (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/359392/movement

Access Date: December 01, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 87

Private Label(s) in Run:

Chronometro adjustado a Temperaturas

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Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	359392
Grade:	87
Variation:	LP
Model:	7
Estimated Production Year:	1890
Run Quantity:	500
Grade/Model Run:	6 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:	351.87G6.18S340.187M51.O63.L214.15J141
Data Research:	1907 Rockford Serial List
Database Version:	v52.476
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	16.56
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	169.25
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.857%
Registry Population: Scoped for This Run Only	6 (1.20%)

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Production Metrics Tree: Grade 87

Target Profile: 18S-M7-15J-OTL-A-LP

Rockford Grade 87 (All Variations): 5,500 ETP

18S: 5,500 100.00%
18s, Grade 87

18S-M7: 5,500 100.00%
18s, Grade 87, Model 7

18S-M7-15J: 5,500 100.00%
18s, Grade 87, Model 7, 15 Jewels

18S-M7-15J-OTL: 5,500 100.00%
18s, Grade 87, Model 7, 15 Jewels, Openface/Lever/Two-Tone

18S-M7-15J-OTL-A: 5,500 100.00%

18S-M7-15J-OTL-A-LP: 5,500 100.00%

Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 6 watches in the population registry for this run with 2 images. 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.