Pocket Watch Database
https://pocketwatchdatabase.com/search/result/illinois/4109400
Access Date: May 07, 2025
From the American Horology Archive:
Illinois Watch Co.
Grade: Bunn Special
| Manufacturer: | Illinois |
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| Manufacturer Location: | Springfield, Illinois |
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| Movement Serial Number: | 4109400 |
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| Grade: | Bunn Special |
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| Variation: | Login to View |
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| Model: | 11 |
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| Estimated Production Year: | Login to View |
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| Run Quantity: | Login to View |
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| Grade/Model Run: | Login to View |
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| Grade/Model Total Production: | Login to View |
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| Variant Est. Production: | Login to View |
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| Size: | 16s |
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| Jewels: | 23j |
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| Jewel Material: | Login to View |
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| Movement Configuration: | Openface |
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| Movement Finish: | Nickel |
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| Finish Pattern: | Login to View |
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| Movement Setting: | Lever |
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| Plate: | 3/4 Plate |
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| Double Roller: | Yes |
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| Barrel: | 48-Hr. Motor |
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| Regulator: | Login to View |
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| Hairspring: | Login to View |
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| Adjusted: | Login to View |
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| Adjusted to Position: | Login to View |
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| Adjusted # of Positions: | Login to View |
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| Adjusted to Temperature: | Login to View |
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| Adjusted to Isochronism: | Login to View |
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| Railroad Grade: | Login to View |
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| Dial Feet Locations: | Login to View |
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| Case Screw Locations: | Login to View |
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| Case: | Various | |
| Run ID: | 11464.G478.16S3675.1611M49.O6222.L6811.23J243 | |
| Research References: |
American Pocket Watches: Illinois Watch Co.: Volume 2. (William Meggers & Roy Ehrhardt) The 16 Size Illinois Bunn Special, 1913-1948. (Michael Chamelin) |
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| Database Version: | v52.645 | |
| Advanced Metrics | ||
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| Registry Population: Scoped for This Run Only | 2 (10.00%) | |
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Research Note: #4109381: Pennsylvania Special [Chamelin]. #4109398: Verified as "Pennsylvania Special" [eBay].
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18 Additional Member-Only Data Points Available
The following information is unlocked with a free account:
Variation, Estimated Production Year, Run Quantity, Grade/Model Run, Grade/Model Total Production, Variant Est. Production, Jewel Material, Finish Pattern, Regulator Type, Hairspring, Adjustments, Adjusted to Position, Positional Adjustments, Temperature Adjustments, Isochronism Adjustments, Railroad Grade Designation, Dial Feet Locations, Case Screw Locations
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There are 2 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.
billreid 144 · January 29, 2024
Serial Number 4109398 was reported as inaccurate.
Pennsylvania Special & movement is 2-tone.
Currently up for bid:
https://www.ebay.com/itm/126296561471
Anonymous · December 5, 2017
Serial Number 4109391 was reported as inaccurate.
"Pennsylvania Special" on movement and dial.
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