Pocket Watch Database

From the American Horology Archive:
Illinois Grade 161A Pocket Watch

Illinois Watch Co.

Grade: 161A

Type IIB 60hr. Elinvar.

Manufacturer: Illinois Question Mark
Manufacturer Location: Springfield, Illinois Question Mark
Movement Serial Number: 5511805 Question Mark
Grade: 161A Question Mark
Variation: 161A Type IIB Question Mark
Model: 15 Question Mark
Estimated Production Year: 1932 Question Mark
Run Quantity: 2,000 Question Mark
Grade/Model Run: 2 of 9 Question Mark
Grade/Model Total Production: 14,550 Question Mark
Size: 16s Question Mark
Jewels: 21j Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Interrupted Ray Question Mark
Movement Setting: Lever Question Mark
Plate: 3/4 Plate Question Mark
Double Roller: Yes Question Mark
Barrel: 60-Hr. Motor Question Mark
Hairspring: Elinvar Question Mark
Adjusted: Yes Question Mark
Adjusted # of Positions: 6 Question Mark
Adjusted to Temperature: Yes Question Mark
Railroad Grade: Yes Question Mark
Dial Feet Locations: 17.5, 39.0, 58.0 Question Mark
Case Screw Locations: 3.0, 38.0 Question Mark
Case: Various Question Mark
Run ID: 12709.G2.16S4104.1615M9.O7248.L7171.21J1536 Question Mark
Database Version: v52.450 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
43.80 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
147.76 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.256% Question Mark
Registry Population:
Scoped for This Run Only
57 (2.85%) Question Mark

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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.


frich01 Supporter 23 · January 15, 2024

Serial Number 5510955 was reported as accurate.

Blicquer Supporter 90 · January 31, 2023

Serial Number 5510370 was reported as accurate.

Anonymous · November 2, 2022

Serial Number 5510197 was reported as accurate.

Anonymous · February 14, 2022

Serial Number 5511611 was reported as accurate.

Anonymous · January 19, 2022

Serial Number 5510669 was reported as accurate.

Anonymous · January 16, 2022

Serial Number 5510669 was reported as accurate.

Anonymous · October 6, 2021

Serial Number 5511187 was reported as accurate.

Anonymous · June 30, 2021

Serial Number 5510622 was reported as accurate.

2mnyboxers Supporter 408 · June 19, 2021

Serial Number 5510203 was reported as accurate.

Anonymous · October 30, 2020

Serial Number 5511056 was reported as accurate.

Anonymous · October 24, 2020

Serial Number 5510085 was reported as accurate.

Anonymous · July 3, 2020

Serial Number 5510225 was reported as accurate.

Anonymous · May 15, 2020

Serial Number 5510225 was reported as accurate.

Tnsaltydog 12 · January 23, 2020

Serial Number 5511451 was reported as accurate.

Anonymous · January 14, 2020

Serial Number 5511965 was reported as accurate.

jerryhawkins 4 · December 26, 2019

Serial Number 5511184 was reported as accurate.

Anonymous · December 8, 2019

Serial Number 5511432 was reported as accurate.

Anonymous · October 22, 2019

Serial Number 5510896 was reported as accurate.

Anonymous · August 5, 2019

Serial Number 5511962 was reported as accurate.

dfchong 837 · April 28, 2019

Serial Number 5510679 was reported as accurate.

Anonymous · April 15, 2019

Serial Number 5511176 was reported as accurate.

dfchong 837 · April 11, 2019

Serial Number 5511176 was reported as accurate.

Anonymous · February 11, 2019

Serial Number 5511226 was reported as accurate.

stintsman Supporter 13 · January 4, 2019

Serial Number 5511540 was reported as accurate.

watchman320 3 · November 27, 2018

Serial Number 5511954 was reported as accurate.

Anonymous · October 30, 2018

Serial Number 5510930 was reported as accurate.

Anonymous · October 28, 2018

Serial Number 5511962 was reported as accurate.

Anonymous · September 26, 2018

Serial Number 5510428 was reported as accurate.

Anonymous · September 13, 2018

Serial Number 5510983 was reported as accurate.

texnet 684 · September 9, 2018

Serial Number 5510653 was reported as accurate.

Anonymous · August 31, 2018

Serial Number 5510627 was reported as accurate.

Anonymous · August 22, 2018

Serial Number 5510627 was reported as accurate.

Anonymous · August 5, 2018

Serial Number 5510339 was reported as accurate.

Anonymous · July 31, 2018

Serial Number 5510004 was reported as accurate.

barelymoving555 56 · July 13, 2018

Serial Number 5511452 was reported as accurate.

Anonymous · July 12, 2018

Serial Number 5511176 was reported as accurate.

Anonymous · July 9, 2018

Serial Number 5511540 was reported as accurate.

Anonymous · June 22, 2018

Serial Number 5511839 was reported as accurate.

Anonymous · June 20, 2018

Serial Number 5511452 was reported as accurate.

Anonymous · March 25, 2018

Serial Number 5510339 was reported as accurate.

Rrau27 1 · October 14, 2017

Serial Number 5511039 was reported as accurate.

Anonymous · August 16, 2017

Serial Number 5511698 was reported as accurate.

Anonymous · July 23, 2017

Serial Number 5511864 was reported as accurate.

Anonymous · April 25, 2017

Serial Number 5511963 was reported as accurate.

Anonymous · February 2, 2017

Serial Number 5510111 was reported as accurate.

Anonymous · January 22, 2017

Serial Number 5510492 was reported as accurate.

Anonymous · January 4, 2017

Serial Number 5511413 was reported as accurate.

Anonymous · November 23, 2016

Serial Number 5511128 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · August 12, 2016

Serial Number 5511475 was reported as accurate.

Anonymous · July 17, 2016

Serial Number 5511475 was reported as accurate.

Illinois Grade 161A Pocket Watch