Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/28550/movement
Access Date: November 24, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Mason
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 28550 | |
| Grade: | Mason | |
| Model: | 1 | |
| Estimated Production Date: | November 1874 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 9 of 16 | |
| Grade/Model Total Production: | 10,300 | |
| Size: | 18s | |
| Jewels: | 7j | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Barrel: | Going | |
| Balance Type: | Uncut Expansion | |
| Train: | Coarse | |
| Regulator: | Plain | |
| Hairspring: | Flat | |
| Standard Dial Type: | Single-Sunk | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Dial Feet Locations: | 16.5, 36.5, 53.0 | |
| Case Screw Locations: | O-36.5, H-51.5 | |
| Movement Markings: | Mason Springfield, Ill. Patent Pinion |
|
| Case: | Various | |
| Run ID: | 35.G9.18S35.181M35.A35.K35.7J9 | |
| Database Version: | v52.462 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 31.01 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 104.57 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.181% | |
| Registry Population: Scoped for This Run Only | 5 (0.50%) | |
Production Metrics Tree: Grade Mason
Target Profile: 18S-M1-7J-AGK-U
| Illinois Grade Mason (All Variations): 10,600 ETP | |
| 18S: 10,600 100.00% 18s, Grade Mason |
|
| 18S-M1: 10,300 97.17% 18s, Grade Mason, Model 1 |
Other: 300
Other Models or Unclassified |
| 18S-M1-7J: 10,300 97.17% 18s, Grade Mason, Model 1, 7 Jewels |
|
| 18S-M1-7J-AGK: 10,300 97.17% 18s, Grade Mason, Model 1, 7 Jewels, Adaptable/Key/Gilt |
|
| 18S-M1-7J-AGK-U: 10,300 97.17% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 5 watches in the population registry for this run with 2 images.
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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 9, 2023
Serial Number 28770 was reported as accurate.
Dave895 Supporter 101 · December 14, 2022
Serial Number 28550 was reported as accurate.
Anonymous · March 22, 2021
Serial Number 28448 was reported as accurate.
Anonymous · March 9, 2021
Serial Number 28770 was reported as accurate.
Anonymous · September 23, 2020
Serial Number 28159 was reported as accurate.
Anonymous · August 9, 2020
Serial Number 28106 was reported as accurate.
Anonymous · May 20, 2020
Serial Number 28752 was reported as accurate.
Anonymous · November 20, 2019
Serial Number 28758 was reported as accurate.
Supersport 7 · March 8, 2019
Serial Number 28491 was reported as accurate.
brentel 19 · July 30, 2018
Serial Number 28890 was reported as accurate.
Anonymous · June 3, 2018
Serial Number 28890 was reported as accurate.
Anonymous · July 23, 2017
Serial Number 28289 was reported as accurate.
Anonymous · January 4, 2013
Serial Number 28693 was reported as accurate.
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