Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/506481
https://pocketwatchdatabase.com/search/result/illinois/506481
Access Date: January 27, 2023
From the American Horology Archive:
Illinois Watch Co.
Grade: 102
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 506481 | |
| Grade: | 102 | |
| Model: | 2 | |
| Estimated Production Date: | February 1883 - October 1884 | |
| Run Quantity: | 700 | |
| Grade/Model Total Production: | 800 | |
| Size: | 18s | |
| Jewels: | 13j | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Nickel | |
| Movement Setting: | Lever | |
| Plate: | Full Plate | |
| Barrel: | Going | |
| Balance Type: | Expansion | |
| Train: | Coarse | |
| Adjusted: | Yes | |
| Adjusted to Temperature: | Yes | |
| Railroad Grade: | No | |
| Dial Feet Locations: | 16.5, 36.5, 53.0 | |
| Case Screw Locations: | 23.5, 51.5 | |
| Case: | Various | |
| Registry Population: | 6 (0.86%) | |
| Database Version: | v49.701 | |
Production Metrics Tree: Grade 102
Target Profile: 18S-M2-13J-HNL-AT
| Illinois Grade 102 (All Variations): 1,600 ETP | |
| 18S: 1,600 100.00% 18s, Grade 102 |
|
| 18S-M2: 800 50.00% 18s, Grade 102, Model 2 |
Other: 800
Other Models or Unclassified |
| 18S-M2-13J: 800 50.00% 18s, Grade 102, Model 2, 13 Jewels |
|
| 18S-M2-13J-HNL: 800 50.00% 18s, Grade 102, Model 2, 13 Jewels, Hunting/Lever/Nickel |
|
| 18S-M2-13J-HNL-AT: 800 50.00% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
| 1 | 506002 | #2 | Marketplace | July 17, 2021 | |
| 2 | 506052 | #52 | Marketplace | April 22, 2017 | |
| 3 | 506305 | #305 | Marketplace | September 23, 2018 | |
| 4 | 506433 | #433 | Marketplace | September 01, 2018 | |
| 5 |
Image Credit: Kosborne |
506481 | #481 | Collection | March 05, 2021 |
| 6 | 506672 | #672 | Marketplace | August 14, 2019 | |
| Standard Deviation of Known Examples: 259.10 (Expected: 202.22, Δ56.88/8.13%) | |||||
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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 · June 29, 2015
Serial Number 506052 was reported as accurate.
Anonymous · February 25, 2015
Serial Number 506457 was reported as accurate.
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