Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/506802
https://pocketwatchdatabase.com/search/result/rockford/506802
Access Date: February 22, 2025
From the American Horology Archive:
Rockford Watch Co.
Grade: 910
| Manufacturer: | Rockford |  |
| Manufacturer Location: | Rockford, Illinois | |
| Movement Serial Number: | 506802 | |
| Grade: | 910 | |
| Model: | 7 | |
| Estimated Production Year: | 1897 | |
| Run Quantity: | 10 | |
| Grade/Model Run: | 1 of 3 | |
| Grade/Model Total Production: | 210 | |
| Size: | 18s | |
| Jewels: | 21j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Openface | |
| Movement Finish: | Nickel | |
| Movement Inlay Color: | Gilt | |
| Movement Setting: | Lever | |
| Plate: | Full Plate | |
| Train: | Quick | |
| Regulator: | Micrometric | |
| Hairspring: | Breguet | |
| Escapement Type: | Straight-line | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | Yes | |
| Adjusted to Position: | Yes | |
| Adjusted # of Positions: | 5 | |
| Adjusted to Temperature: | Yes | |
| Adjusted to Isochronism: | Yes | |
| Railroad Grade: | Yes | |
| Movement Markings: | Rockford Watch Co. 21 Jewels Adjusted |
|
| Case: | Various | |
| Run ID: | 559.910G1.18S492.187M105.O129.L421.21J3 | |
| Data Research: |
1907 Rockford Serial List |
|
| Database Version: | v52.612 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 0.63 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 6.43 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.033% | |
| Registry Population: Scoped for This Run Only | 1 (10.00%) | |
| $ Estimated Value (12 Month Change): | 5.65% Analyzing 77 Sales | |
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Research Note: Rockford Serial Lists designate this run as Model 9. However, #506802 has been verified as a Model 7. Since this is the first run of Grade 910 movements, likely produced before the model transition, it is safe to conclude all movements from this run are Model 7.
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Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
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There is 1 watch in the population registry for this run with 1 image.
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