Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/illinois/49647/movement
https://pocketwatchdatabase.com/search/result/illinois/49647/movement
Access Date: April 19, 2024
From the American Horology Archive:
Illinois Watch Co.
Grade: Hoyt
| Manufacturer: | Illinois |  |
| Manufacturer Location: | Springfield, Illinois | |
| Movement Serial Number: | 49647 | |
| Grade: | Hoyt | |
| Model: | 1 | |
| Estimated Production Date: | March 1879 | |
| Run Quantity: | 100 | |
| Grade/Model Run: | 15 of 18 | |
| Grade/Model Total Production: | 14,400 | |
| Size: | 18s | |
| Jewels: | 9j | |
| Jewel Setting: | Burnished Jewels | |
| Movement Configuration: | Adaptable | |
| Movement Finish: | Gilt | |
| Movement Setting: | Key | |
| Plate: | Full Plate | |
| Barrel: | Going | |
| Balance Type: | 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: | Hoyt Springfield, Ill. Patent Pinion |
|
| Case: | Various | |
| Run ID: | 75.G17.18S75.181M61.A61.K61.9J17 | |
| Database Version: | v52.235 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 43.35 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 146.24 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.253% | |
| Registry Population: | 1 (1.00%) | |
|
Research Note: #49633: Reported as "Hoyt."
#49647: Verified as "Hoyt" with 9 Jewels. Meggers/Ehrhardt sources suggest this run is "Miller," but changed from factory records designated as "Hoyt." |
||
Production Metrics Tree: Grade Hoyt
Target Profile: 18S-M1-9J-AGK-U
| Illinois Grade Hoyt (All Variations): 15,000 ETP | |
| 18S: 15,000 100.00% 18s, Grade Hoyt |
|
| 18S-M1: 14,400 96.00% 18s, Grade Hoyt, Model 1 |
Other: 600
Other Models or Unclassified |
| 18S-M1-9J: 14,400 96.00% 18s, Grade Hoyt, Model 1, 9 Jewels |
|
| 18S-M1-9J-AGK: 14,400 96.00% 18s, Grade Hoyt, Model 1, 9 Jewels, Adaptable/Key/Gilt |
|
| 18S-M1-9J-AGK-U: 14,400 96.00% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There is 1 watch in the population registry for this run with 1 image.
|
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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.
RomanWatchRepair 33 · January 16, 2023
Serial Number 49633 was reported as inaccurate.
Note: It is marked "Hoyt" and possibly 9 jewel.
Hairspring is held in a stud that is on balance
wheel cock.
Hairspring is held in a stud that is on balance
wheel cock.
Curator Response: Thanks for the report. The database has been updated accordingly.
Changes since this report was submitted:
Grade changed from Miller to Hoyt
Jewels changed from 15j to 9J
Railroad Grade changed from Yes to No
Dave895 Supporter 90 · February 10, 2022
Serial Number 49647 was reported as inaccurate.
Note: Marked as Hoyt 9 Jewel
Curator Response: Thanks for the report. This information has been noted in the research notes for this run.
Changes since this report was submitted:
Grade changed from Miller to Hoyt
Jewels changed from 15j to 9J
Movement Finish changed from Gilt or Nickel to Gilt
RomanWatchRepair 33 · March 24, 2017
Serial Number 49633 was reported as inaccurate.
Note: Still "HOYT", hairspring is pinned to the cock
with a stud, not sure that it's a 15 jewel, could
be less, KW, KS,
with a stud, not sure that it's a 15 jewel, could
be less, KW, KS,
Changes since this report was submitted:
Grade changed from Miller to Hoyt
Jewels changed from 15j to 9J
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