Pocket Watch Database

We noticed that you entered a relatively short serial number.
"2852" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.
From the American Horology Archive:
Illinois Grade Stuart Pocket Watch Movement

Illinois Watch Co.

Grade: Stuart

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 2852
Grade: Stuart
Model: 1
Estimated Production Date: October 1872 - December 1877
Run Quantity: 500
Total Production: 801
Size: 18s
Jewels: 15j
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Barrel: Going
Train: Coarse
Adjusted: Yes
Dial Feet Locations: 16.5, 36.5, 53.0
Case Screw Locations: O-36.5, H-51.5
Database Version: v48.129

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Data Verification Reports

2501
Verification Serial Map
3000

Anonymous · September 22, 2021

Serial Number 2658 was reported as accurate.

traingal 2 · September 24, 2020

Serial Number 2589 was reported as accurate.

Anonymous · July 2, 2019

Serial Number 2569 was reported as accurate.

esoxhunter Top Contributor Supporter 122 · March 28, 2018

Serial Number 2892 was reported as accurate.

Anonymous · January 2, 2017

Serial Number 2553 was reported as accurate.

Anonymous · September 30, 2016

Serial Number 2548 was reported as accurate.

shovelhead 65 · December 9, 2015

Serial Number 2645 was reported as accurate.

shovelhead 65 · December 9, 2015

Serial Number 2645 was reported as accurate.

Anonymous · November 30, 2014

Serial Number 2792 was reported as inaccurate.

No further details were submitted with the report.

Anonymous · November 21, 2013

Serial Number 2548 was reported as accurate.

Anonymous · May 23, 2013

Serial Number 2974 was reported as inaccurate.

Note: I have this watch, the movement is marked
"Adjusted."

Anonymous · April 27, 2013

Serial Number 2852 was reported as inaccurate.

Note: Actually it's not really inacurate, it is a Stuart
grade, but just two things: the plates are gilded
and this one is marked adjusted on the balance
cock.
Illinois Grade Stuart Pocket Watch Movement