Illinois Pocket Watch: Serial Number 2430397 (Grade 187)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2430397

Access Date: November 21, 2024

From the American Horology Archive:

Illinois Watch Co.

Grade: 187

Ruby Jewels

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	2430397
Grade:	187
Model:	5
Estimated Production Year:	1912
Run Quantity:	350
Grade/Model Run:	15 of 16
Grade/Model Total Production:	3,750
Size:	16s
Jewels:	17j
Jewel Material:	Ruby
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Movement Signing Style:	Serif (Decorative)
Movement Inlay Color:	Black
Movement Setting:	Lever
Plate:	3/4 Bridge Plate
Bridge Type:	3-Finger
Double Roller:	Yes
Barrel:	Going
Center Wheel Material:	Gold
Regulator:	Micrometer
Adjusted:	Yes
Adjusted # of Positions:	5
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Dial Feet Locations:	24.5, 36.5, 55.5
Case Screw Locations:	3.5, 37.5
Movement Markings:	Illinois Watch Co. Springfield 187 17 Ruby Jewels Adjusted Temperature 5 Positions Isochronism Double Roller
Case:	Various
Run ID:	7625.187G28.16S2080.165M830.O3343.L5691.17J2165
Database Version:	v52.450
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	11.29
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	38.01
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.066%
Registry Population: Scoped for This Run Only	6 (1.71%)

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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 4 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.