Pocket Watch Database
https://pocketwatchdatabase.com/search/result/rockford/542490/movement
Access Date: April 23, 2024
From the American Horology Archive:
Rockford Watch Co.
Grade: 810
| Manufacturer: | Rockford |  |
| Manufacturer Location: | Rockford, Illinois | |
| Movement Serial Number: | 542490 | |
| Grade: | 810 | |
| Model: | 10 | |
| Estimated Production Year: | 1899 | |
| Run Quantity: | 200 | |
| Grade/Model Run: | 4 of 7 | |
| Grade/Model Total Production: | 1,408 | |
| Size: | 18s | |
| Jewels: | 21j | |
| Jewel Material: | Ruby & Sapphire | |
| Jewel Setting: | Screw-Set | |
| Movement Configuration: | Hunting | |
| 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 | |
| Data Research: |
1907 Rockford Serial List |
|
| Case: | Various | |
| Run ID: | 706.810G4.18S639.1810M58.H352.L568.21J20 | |
| Database Version: | v52.245 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 4.24 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 43.31 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.219% | |
| Registry Population: | 5 (2.50%) | |
Production Metrics Tree: Grade 810
Target Profile: 18S-M10-21J-HNL-A5PTI
| Rockford Grade 810 (All Variations): 1,408 ETP |
| 18S: 1,408 100.00% 18s, Grade 810 |
| 18S-M10: 1,408 100.00% 18s, Grade 810, Model 10 |
| 18S-M10-21J: 1,408 100.00% 18s, Grade 810, Model 10, 21 Jewels |
| 18S-M10-21J-HNL: 1,408 100.00% 18s, Grade 810, Model 10, 21 Jewels, Hunting/Lever/Nickel |
| 18S-M10-21J-HNL-A5PTI: 1,408 100.00% |
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 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.
Anonymous · June 6, 2023
Serial Number 542348 was reported as accurate.
CJEmpire3 104 · April 5, 2022
Serial Number 542460 was reported as accurate.
733harry 33 · August 1, 2018
Serial Number 542402 was reported as accurate.
Anonymous · June 25, 2018
Serial Number 542385 was reported as accurate.
Anonymous · February 12, 2018
Serial Number 542385 was reported as accurate.
Anonymous · February 6, 2018
Serial Number 542385 was reported as accurate.
Anonymous · December 20, 2017
Serial Number 542460 was reported as accurate.
ngupaan 95 · October 12, 2017
Serial Number 542352 was reported as inaccurate.
Rockford Catalog I have has these adjusted to 5
positions & Temp
Double sunk dial with marginal figures
This one also marked U.S.A
Also meets Railroad Grade Watch Standards of the
Time
Anonymous · August 9, 2014
Serial Number 542351 was reported as accurate.
