Rockford Pocket Watch: Serial Number 667030 (Grade 918)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/667030/movement

Access Date: April 30, 2024

From the American Horology Archive:

Rockford Watch Co.

Grade: 918

Manufacturer:	Rockford
Manufacturer Location:	Rockford, Illinois
Movement Serial Number:	667030
Grade:	918
Model:	9
Estimated Production Year:	1905
Run Quantity:	100
Grade/Model Run:	4 of 6
Grade/Model Total Production:	2,900
Size:	18s
Jewels:	21j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Signing Style:	Block Letter
Movement Inlay Color:	Gilt
Movement Setting:	Lever
Plate:	Full Plate
Double Roller:	Yes
Regulator:	Reed
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Railroad Grade:	Yes
Movement Markings:	Rockford Watch Co. 918 21 Jewels Adjusted to Temperature Five Positions Double Roller
Data Research:	1907 Rockford Serial List
Case:	Various
Run ID:	971.918G4.18S710.189M82.O352.L730.21J89
Database Version:	v52.246
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	8.73
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	89.23
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.452%
Registry Population:	1 (1.00%)

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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.