Pocket Watch Database
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/245153/movement
https://pocketwatchdatabase.com/search/result/rockford/245153/movement
Access Date: March 09, 2025
From the American Horology Archive:
Rockford Watch Co.
Grade: 81
| Manufacturer: | Rockford |  |
| Manufacturer Location: | Rockford, Illinois | |
| Movement Serial Number: | 245153 | |
| Grade: | 81 | |
| Model: | 3 | |
| Estimated Production Year: | 1886 | |
| Run Quantity: | 1,000 | |
| Grade/Model Run: | 1 of 1 | |
| Grade/Model Total Production: | 1,000 | |
| Size: | 18s | |
| Jewels: | 9j | |
| Jewel Setting: | Friction | |
| Movement Configuration: | Hunting | |
| Movement Finish: | Gilt | |
| Movement Signing Style: | Blackletter | |
| Movement Inlay Color: | None | |
| Movement Setting: | Lever | |
| Plate: | Full Plate | |
| Regulator: | Plain | |
| Hairspring: | Flat | |
| Escapement Type: | Straight-line | |
| Standard Dial Type: | Double-Sunk | |
| Adjusted: | No | |
| Railroad Grade: | No | |
| Movement Markings: | Rockford Watch Co. Rockford, Ill. Safety Pinion |
|
| Case: | Various | |
| Run ID: | 202.81G1.18S200.183M17.H77.L65.9J65 | |
| Data Research: |
1907 Rockford Serial List |
|
| Database Version: | v52.622 | |
| Advanced Metrics | ||
| PWDB Absolute Rarity Index: Scoped for Grade/Size/Model/Configuration | 3.01 | |
| PWDB Relative Rarity Index: Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration | 30.75 | |
| Share of Production: Share within Manufacturer - Scoped for Grade/Size/Model/Configuration | 0.156% | |
| Registry Population: Scoped for This Run Only | 4 (0.40%) | |
|
Research Note: Rockford Serial Lists designate this run as Grade 81 with 9 Jewels, inconsistent with the remaining Grade 81 runs (Model 8 with 17 Jewels).
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Production Metrics Tree: Grade 81
Target Profile: 18S-M3-9J-HGL-U
| Rockford Grade 81 (All Variations): 1,600 ETP | |
| 18S: 1,600 100.00% 18s, Grade 81 |
|
| 18S-M3: 1,000 62.50% 18s, Grade 81, Model 3 |
Other: 600
Other Models or Unclassified |
| 18S-M3-9J: 1,000 62.50% 18s, Grade 81, Model 3, 9 Jewels |
|
| 18S-M3-9J-HGL: 1,000 62.50% 18s, Grade 81, Model 3, 9 Jewels, Hunting/Lever/Gilt |
|
| 18S-M3-9J-HGL-U: 1,000 62.50% | |
Population Registry for This Run
| Image | Serial Number | Run Position | Primary Identification Method | Discovery Date | |
|---|---|---|---|---|---|
|
There are 4 watches in the population registry for this run with 1 image.
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