Illinois Pocket Watch: Serial Number 5527205 (Grade 161A)

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Illinois Bunn Special 21j 161A

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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/5527205

Access Date: December 24, 2024

From the American Horology Archive:

Illinois Watch Co.

Grade: 161A

Mixed Run: Type IIB & Type IIP

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	5527205
Grade:	161A
Variation:	161A Type IIB
Model:	15
Estimated Production Year:	1937
Run Quantity:	900
Grade/Model Run:	3 of 9
Grade/Model Total Production:	14,550
Size:	16s
Jewels:	21j
Jewel Setting:	Raised Gold Settings (Screw-Set)
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Interrupted Ray
Movement Signing Style:	Mixed
Movement Inlay Color:	Black
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 161A Motor Barrel Sixty Hour Adjusted Temp. And Six Positions Double Roller
Case:	Various
Run ID:	12722.G3.16S4107.1615M10.O7253.L7172.21J1539
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:	v52.518
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	43.80
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	147.76
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	0.256%
Registry Population: Scoped for This Run Only	40 (4.44%)
$ Estimated Value (12 Month Change):	1.76% Analyzing 136 Sales
Research Note: Mixed Run with 161A Type IIB and 161A Type IIP

Value Guide

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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

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.