Illinois Pocket Watch: Serial Number 4900475 (Grade Bunn Special)

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/4900475

Access Date: June 02, 2025

From the American Horology Archive:

Illinois Watch Co.

Grade: Bunn Special

Type III 60hr.

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	4900475
Grade:	Bunn Special
Variation:	Type III
Model:	14
Estimated Production Year:	1927
Run Quantity:	1,000
Grade/Model Run:	45 of 132
Grade/Model Total Production:	116,300
Variant Est. Production:	88,500 (16S-M14-21J-ONL-A6PTI-TYPE III)
Size:	16s
Jewels:	21j
Jewel Material:	Ruby
Jewel Setting:	Raised Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Ray
Movement Setting:	Lever
Plate:	3/4 Plate
Double Roller:	Yes
Barrel:	60-Hr. Motor
Regulator:	Reed
Hairspring:	Breguet
Adjusted:	Yes
Adjusted to Position:	Yes
Adjusted # of Positions:	6
Adjusted to Temperature:	Yes
Adjusted to Isochronism:	Yes
Railroad Grade:	Yes
Dial Feet Locations:	17.5, 39.0, 58.0
Case Screw Locations:	3.0, 38.0
Movement Markings:	Sixty Hour Bunn Special Illinois Watch Co. Springfield Motor Barrel 21 Jewels Adjusted Temp. And Six Positions Double Roller
Case:	Various
Run ID:	12152.G600.16S3947.1614M49.O6886.L7037.21J1405
Database Version:	v52.686
Advanced Metrics
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Registry Population: Scoped for This Run Only	18 (1.80%)
$ Estimated Value (12 Month Change):	2.87% Analyzing 2,192 Sales

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Population Registry for This Run

	Image	Serial Number	Run Position	Primary Identification Method	Discovery Date
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Verification Reports for this Run

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