Illinois Pocket Watch: Serial Number 5456651 (Grade 163A)

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Illinois 23j Bunn Special 163A

Check Price Source: eBay.com

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/5456651/movement

Access Date: November 30, 2024

From the American Horology Archive:

Illinois Watch Co.

Grade: 163A

Mixed Run: 163A, Type IIB, Type IIP

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	5456651
Grade:	163A
Variation:	163 Type IIB
Model:	15
Estimated Production Year:	1931
Run Quantity:	1,100
Grade/Model Run:	1 of 3
Grade/Model Total Production:	2,400
Grade/Model Unrealized Production:	600
Size:	16s
Jewels:	23j
Jewel Material:	Ruby
Jewel Setting:	Raised Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Interrupted Ray
Movement Signing Style:	Mixed
Movement Inlay Color:	Red
Movement Setting:	Lever
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	60-Hr. Motor
Train Material:	Gold
Center Wheel Material:	Gold
Regulator:	Reed
Hairspring:	Elinvar
Adjusted:	Yes
Adjusted # of Positions:	6
Adjusted to Temperature:	Yes
Railroad Grade:	Yes
Dial Feet Locations:	17.5, 39.0, 58.0
Case Screw Locations:	3.0, 38.0
Movement Markings:	Elinvar Bunn Special Illinois Watch Springfield 163A Motor Barrel Sixty Hour Adjusted Temp. And Six Positions Double Roller
Case:	Various
Run ID:	12672.G1.16S4096.1615M5.O7233.L7163.23J297
Research References:	American Pocket Watches: Illinois Watch Co.: Volume 2. (William Meggers & Roy Ehrhardt) The 16 Size Illinois Bunn Special, 1913-1948. (Michael Chamelin)
Database Version:	v52.473
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	7.22
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	24.29
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.042%
Registry Population: Scoped for This Run Only	41 (3.73%)

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
There are 41 watches in the population registry for this run with 6 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.