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Illinois Watch Case Co.
Illinois Watch Case Co.
Monitor
Illinois Watch Case Co. Monitor
![Watch Case Marking for Illinois Watch Case Co. Monitor: Monitor
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Note: Case manufacturers modified markings over time. As a result, the image above is simply a representation of one particular marking used by the company. Your case marking may differ based on the production era and other parameters.
Monitor
Find Monitor Cases For Sale on eBay See What Other Monitor Cases Have Sold For on eBay![Watch Case Marking Variant for Illinois Watch Case Co. Monitor: Monitor
[In Outline Banner]
Guaranteed
Five Years](https://pocketwatchdatabase.com/assets/images/cases/Illinois-Monitor-GuaranteedFiveYears.jpg)
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3 Admirations
| Serial No.: | #1720419 |
| Manufacturer: | Hampden |
| Grade: | Unknown |
| Size: | 18s |
| Model: | 4 |
| Jewels: | 17j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | 1902 |
| Case Model: | Monitor |
| Case Material: | Goldfilled |
| Guarantee: | 5 |
| Case Serial: | 332349 |
| Added By: |  glaciersteel |
5 Admirations
| Serial No.: | #1003934 |
| Manufacturer: | Seth Thomas |
| Grade: | Century |
| Size: | 18s |
| Model: | 12 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1898 |
| Case Model: | MONITOR |
| Case Material: | Goldfilled |
| Case Serial: | 927889 |
| Added By: |  SethThomasFan |
5 Admirations
| Serial No.: | #1300196 |
| Manufacturer: | Seth Thomas |
| Grade: | Century |
| Size: | 18s |
| Model: | 12 |
| Jewels: | 7j |
| Setting: | Pendant |
| Finish: | Nickel |
| Est. Date: | 1898 |
| Case Model: | Monitor |
| Case Material: | Goldfilled |
| Case Serial: | 927889 |
| Added By: | SethThomasFan |
5 Admirations
| Serial No.: | #1737017 |
| Manufacturer: | Seth Thomas |
| Grade: | Production Gap |
| Size: | 18s |
| Model: | 13 |
| Jewels: | 7j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | |
| Case Model: | Monitor |
| Case Material: | Goldfilled |
| Case Serial: | 1478726 |
| Added By: | SethThomasFan |
4 Admirations
| Serial No.: | #31328292 |
| Manufacturer: | Waltham |
| Grade: | Vanguard |
| Size: | 16s |
| Model: | 1908 |
| Jewels: | 23j |
| Setting: | Lever |
| Finish: | Nickel |
| Est. Date: | May 1943 |
| Case Model: | Monitor |
| Case Material: | Goldfilled |
| Guarantee: | 25 |
| Case Serial: | 2916763 |
| Added By: |  Rickglick1 |
