Rockford Pocket Watch: Serial Number 781135 (Grade 545)

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Marked RG 1903 Rockford 16S 21J Grade 545 Display Mainliner Pocket Watch Runs

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ROCKFORD GRADE 545 RR 21J ADJ. 5 POS. SN: 620460 CLEAN WATCH WORKING ORDER - BO

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/781135/link

Access Date: October 19, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 545

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	781135
Grade:	545
Model:	5
Estimated Production Year:	1908
Run Quantity:	1,000
Grade/Model Run:	9 of 9
Grade/Model Total Production:	5,500
Size:	16s
Jewels:	21j
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Setting:	Lever
Plate:	3/4 Plate
Double Roller:	Yes
Center Wheel Material:	Gold
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
Railroad Grade Classification:	Class A
Case:	Various
Run ID:	1143.545G9.16S301.165M56.O449.L795.21J107
Data Research:	1907 Rockford Serial List
Database Version:	v52.427
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	18 (1.80%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 18 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.