Pocket Watch Database

From the American Horology Archive:
Illinois Grade 275 Pocket Watch

Illinois Watch Co.

Grade: 275

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 3755736
Grade: 275
Model: 3
Estimated Production Year: 1920
Run Quantity: 2,000
Total Production: 41,400
Size: 12s
Jewels: 21j
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Pendant
Plate: Bridge Plate
Bridge Type: Center
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 3
Adjusted to Temperature: Yes
Railroad Grade: No
Dial Feet Locations: 20.5, 39.0, 55.0
Case Screw Locations: 2.5, 35.5
Case: Various
Registry Population: 13 (0.65%)
Database Version: v49.392

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1 3755118 #118 Collection September 21, 2022
2 3755427 #427 Marketplace June 04, 2015
3 3755605 #605 Collection February 11, 2017
4 3755736 #736 Collection December 15, 2021
5 3756312 #1312 Marketplace February 18, 2021
6 3756362 #1362 Inferred
7 3756495 #1495 Collection September 22, 2013
8 3756638 #1638 Marketplace January 31, 2014
9 3756680 #1680 Collection April 17, 2017
10 3756796 #1796 Collection December 05, 2017
11 3756895 #1895 Marketplace February 20, 2018
12 3756907 #1907 Marketplace September 19, 2013
13 3756999 #1999 Marketplace February 07, 2021
Standard Deviation of Known Examples: 627.01 (Expected: 577.49, Δ49.52/2.48%)

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Data Verification Reports

3755001
Verification Serial Map
3757000

okiejohn 310 · December 21, 2021

Serial Number 3755736 was reported as accurate.

Rcardkidz 2743 · October 2, 2021

Serial Number 3755909 was reported as accurate.

Stev23trev 8 · October 19, 2020

Serial Number 3755905 was reported as accurate.

Anonymous · January 9, 2020

Serial Number 3755231 was reported as accurate.

Anonymous · May 5, 2019

Serial Number 3755971 was reported as accurate.

Anonymous · February 12, 2019

Serial Number 3756892 was reported as accurate.

Anonymous · May 19, 2018

Serial Number 3756585 was reported as accurate.

Stev23trev 8 · April 11, 2018

Serial Number 3755905 was reported as accurate.

Anonymous · December 5, 2017

Serial Number 3756796 was reported as accurate.

Ripken77 31 · April 17, 2017

Serial Number 3756680 was reported as accurate.

Stev23trev 8 · September 2, 2016

Serial Number 3755905 was reported as accurate.

Stev23trev 8 · July 1, 2016

Serial Number 3755905 was reported as accurate.

Anonymous · January 21, 2015

Serial Number 3755534 was reported as accurate.

Anonymous · January 21, 2015

Serial Number 3755534 was reported as accurate.

Anonymous · January 21, 2015

Serial Number 3755534 was reported as accurate.

Anonymous · January 21, 2015

Serial Number 3755534 was reported as accurate.

Anonymous · November 17, 2014

Serial Number 3756192 was reported as accurate.

TheAdmiral 94 · September 22, 2013

Serial Number 3756495 was reported as accurate.

Anonymous · January 22, 2013

Serial Number 3756387 was reported as accurate.

Anonymous · September 14, 2012

Serial Number 3756495 was reported as accurate.

Illinois Grade 275 Pocket Watch