Pocket Watch Database

From the American Horology Archive:
Illinois Grade 187 Pocket Watch

Illinois Watch Co.

Grade: 187

Ruby Jewels

Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1572823
Grade: 187
Model: 5
Estimated Production Year: 1901
Run Quantity: 400
Grade/Model Run: 9 of 16
Grade/Model Total Production: 3,750
Size: 16s
Jewels: 17j
Jewel Material: Ruby
Movement Configuration: Openface
Movement Finish: Nickel
Movement Setting: Lever
Plate: 3/4 Bridge Plate
Bridge Type: 3-Finger
Double Roller: Yes
Barrel: Going
Adjusted: Yes
Adjusted # of Positions: 5
Adjusted to Temperature: Yes
Railroad Grade: Yes
Dial Feet Locations: 24.5, 36.5, 55.5
Case Screw Locations: 3.5, 37.5
Case: Various
Run ID: 4318.187G18.16S884.165M266.O1512.L3454.17J810
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
11.29
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
38.01
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.066%
Registry Population: 10 (2.50%)

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


rmwatchandclock Supporter 366 · May 11, 2023

Serial Number 1572925 was reported as accurate.

snellingt Supporter 32 · August 21, 2020

Serial Number 1572706 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge

Anonymous · July 15, 2017

Serial Number 1572744 was reported as accurate.

Changes since this report was submitted:
Plate changed from Bridge to 3/4 Bridge

MichaelB 150 · March 10, 2017

Serial Number 1572823 was reported as inaccurate.

Note: mvmt S/N 1572823 3 finger bridge
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

dutyswatch 11 · November 18, 2015

Serial Number 1572924 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · February 9, 2014

Serial Number 1572828 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · December 5, 2013

Serial Number 1572876 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · February 4, 2013

Serial Number 1572839 was reported as inaccurate.

Note: Some additional details, marked " temperature 5
positions isochronism " " double roller " and 17
ruby jewels.
Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · December 28, 2012

Serial Number 1572988 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · November 14, 2012

Serial Number 1572988 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · October 26, 2012

Serial Number 1572988 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge

Anonymous · August 13, 2012

Serial Number 1572988 was reported as accurate.

Changes since this report was submitted:
Plate changed from 3/4 to 3/4 Bridge
Illinois Grade 187 Pocket Watch