Illinois Pocket Watch: Serial Number 2731548 (Grade 69)

Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/2731548

Access Date: May 29, 2023

From the American Horology Archive:

Illinois Watch Co.

Grade: 69

Private Label(s) in Run:

M.F. De Myer Special

What is a Private Label?

Manufacturer:	Illinois
Manufacturer Location:	Springfield, Illinois
Movement Serial Number:	2731548
Grade:	69
Model:	6
Estimated Production Year:	1915
Run Quantity:	600
Grade/Model Total Production:	119,807
Size:	18s
Jewels:	17j
Jewel Setting:	Screw-Set
Movement Configuration:	Openface
Movement Finish:	Nickel
Finish Pattern:	Parallel
Movement Inlay Color:	Black
Movement Setting:	Lever
Plate:	Full Plate
Barrel:	Going
Train:	Fast
Regulator:	Reed
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
Database Version:	v50.828
Advanced Metrics
PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration	348.18
PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration	1,217.45
Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration	2.108%
Registry Population:	5 (0.83%)

Value Guide

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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		2731060	#60	Marketplace	September 06, 2018
2		2731121	#121	Marketplace	May 09, 2013
3		2731430	#430	Marketplace	July 27, 2013
4		2731521	#521	Marketplace	April 11, 2019
5	Image Credit: Relojo333	2731548	#548	Collection	July 22, 2018
Standard Deviation of Known Examples: 229.35 (Expected: 173.35, Δ56.00/9.33%)

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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.

Anonymous · April 13, 2020

Serial Number 2731138 was reported as accurate.

Watchbuddy 13 · June 27, 2019

Serial Number 2731287 was reported as inaccurate.

Note: The watch movement is marked "Adjusted 5
Position".

Curator Response: Thanks for the report. If possible, please upload an image of the movement to your collection for further evaluation and documentation.

Anonymous · March 17, 2019

Serial Number 2731528 was reported as accurate.

Relojo333 22 · August 7, 2018

Serial Number 2731548 was reported as inaccurate.

Note: According to the 'Complete Price Guide to watches'
by Shugart and others, the model 6 in 18s size is
RR grade.

Curator Response: Thanks for the report. The movement is not marked "Adjusted" and would not have been accepted into railroad service at the time of production. There are certainly some 18-Size Model 6 movements that would be considered railroad grade.