Pocket Watch Database

From the American Horology Archive:
Illinois Grade 69 Pocket Watch

Illinois Watch Co.

Grade: 69

Private Label(s) in Run:
J.L. Wolff Special - Paducah, Ky. // C.R. Smith Jeweler - Huntington, Ind. // Frank R. Montgomery - Sandusky, O.
What is a Private Label?
Manufacturer: Illinois
Manufacturer Location: Springfield, Illinois
Movement Serial Number: 1903881
Grade: 69
Model: 6
Estimated Production Year: 1907
Run Quantity: 300
Grade/Model Total Production: 119,807
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Barrel: Going
Train: Fast
Regulator: Micrometric
Adjusted: No
Railroad Grade: No
Dial Feet Locations: 2.0, 21.5, 38.5
Case Screw Locations: 23.5, 51.5
Movement Markings: Illinois Watch Co.
Springfield
17 Jewels
Case: Various
Registry Population: 2 (0.67%)
Database Version: v49.701

Production Metrics Tree: Grade 69

Target Profile: 18S-M6-17J-ONL-U

Illinois Grade 69 (All Variations): 138,713 ETP
18S: 138,713 100.00%
18s, Grade 69
18S-M6: 119,807 86.37%
18s, Grade 69, Model 6
Other: 18,906
Other Models or Unclassified
18S-M6-17J: 119,807 86.37%
18s, Grade 69, Model 6, 17 Jewels
18S-M6-17J-ONL: 119,807 86.37%
18s, Grade 69, Model 6, 17 Jewels, Openface/Lever/Nickel
18S-M6-17J-ONL-U: 119,807 86.37%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1
Image Credit: 4mula1fan
1903881 #181 Collection March 11, 2020
2
Image Credit: cbzimm
1903958 #258 Collection February 16, 2022
Standard Deviation of Known Examples: 54.45 (Expected: 86.75, Δ32.30/10.77%)

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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.


cbzimm Supporter 195 · February 16, 2022

Serial Number 1903958 was reported as inaccurate.

Note: Frank R, Montgomery private label on both dial and
movement.
All other details correct.
Curator Response: Thanks for the report. The database has been updated accordingly.

WrongCentury Supporter 24 · December 16, 2021

Serial Number 1903853 was reported as inaccurate.

Note: Private Label:
C. R. Smith
Jeweler
Huntington, Ind.
Source:
https://www.facebook.com/photo/?fbid=4960576990619
750&set=pcb.3070768869844915 (Vintage Pocket
Watches, uploaded by Marc Bontrager)
Curator Response: Thanks for the report. The database has been updated accordingly.

4mula1fan 50 · March 11, 2020

Serial Number 1903881 was reported as inaccurate.

Note: J.L. Wolff Special private label.
Curator Response: Thanks for the report and images. The database have been updated accordingly.
Illinois Grade 69 Pocket Watch