Pocket Watch Database

From the American Horology Archive:
Illinois Grade 161 Pocket Watch

Illinois Watch Co.

Grade: 161

Mixed Run: 161, 161A, Type II, Type IIE, Type IIB

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 5481572
Grade: 161
Variation: 161A Type IIB
Model: 15
Estimated Production Year: 1931
Run Quantity: 700
Grade/Model Run: 1 of 1
Grade/Model Total Production: 700
Size: 16s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Finish Pattern: Interrupted Ray
Movement Setting: Lever
Plate: 3/4 Plate
Barrel: 60-Hr. Motor
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
Case: Various
Run ID: 12690.161G9.16S4101.1615M7.O7240.L7168.21J1532
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: v52.400
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
2.10
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
7.01
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.012%
Registry Population:
Scoped for This Run Only
25 (3.57%)
Research Note: Estimated Split Run by Chamelin.

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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.


cmdraven 4034 · July 5, 2024

Serial Number 5481597 was reported as accurate.

Anonymous · November 5, 2023

Serial Number 5481303 was reported as accurate.

Anonymous · October 1, 2023

Serial Number 5481901 was reported as accurate.

Anonymous · September 13, 2021

Serial Number 5481667 was reported as accurate.

Anonymous · September 27, 2020

Serial Number 5481637 was reported as accurate.

Anonymous · January 21, 2020

Serial Number 5481572 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

Andrew9000 85 · December 19, 2019

Serial Number 5481572 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

Anonymous · October 10, 2019

Serial Number 5481614 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

WLBelkriver33 804 · January 12, 2019

Serial Number 5481785 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

Wbridg10 111 · January 11, 2019

Serial Number 5481785 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

btkeenan 1 · December 3, 2018

Serial Number 5481601 was reported as inaccurate.

Note: Movement is stamped 23 jewels
Changes since this report was submitted:
Grade changed from 161a to 161

Anonymous · February 22, 2018

Serial Number 5481930 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

Automatic 254 · January 23, 2018

Serial Number 5481885 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161a to 161

Anonymous · January 20, 2018

Serial Number 5481883 was reported as inaccurate.

Note: This is a Model 15, 161 A ,Type II B
Curator Response: Verified as 161A Type IIB [eBay #332528346280]
Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · December 11, 2017

Serial Number 5481930 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

dfchong 837 · July 24, 2017

Serial Number 5481325 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · July 24, 2017

Serial Number 5481325 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · June 25, 2017

Serial Number 5481371 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · March 29, 2017

Serial Number 5481421 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

kpkitsune 1 · April 21, 2016

Serial Number 5481789 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · April 20, 2016

Serial Number 5481423 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Anonymous · February 14, 2016

Serial Number 5481792 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

Craig62 7 · February 7, 2016

Serial Number 5481525 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15

wfcsoftball 105 · January 5, 2014

Serial Number 5481813 was reported as accurate.

Changes since this report was submitted:
Grade changed from 161/161a to 161
Factory Model changed from 14 to 15
Illinois Grade 161 Pocket Watch