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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/415505
Access Date: March 09, 2025
From the American Horology Archive:
Rockford Grade 80 Pocket Watch
Rockford Watch Co.

Grade: 80

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 415505 Question Mark
Grade: 80 Question Mark
Variation: 17J Question Mark
Model: 8 Question Mark
Estimated Production Year: 1893 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 1 of 5 Question Mark
Grade/Model Total Production: 250 Question Mark
Variant Est. Production: 175 (18S-M8-17J-HTL-APTI-17J) Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Material: Ruby Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Two-Tone Question Mark
Movement Inlay Color: Gilt Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Micrometric Question Mark
Hairspring: Breguet Question Mark
Escapement Type: Straight-line Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Movement Markings: R.W.Co.
Rockford Ill.
17 J
Adjusted
Case: Various Question Mark
Run ID: 451.80G1.18S387.188M105.H249.L314.17J10 Question Mark
Data Research: 1907 Rockford Serial List
 Question Mark
Database Version: v52.622 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 0.75 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 7.66 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.039% Question Mark
Registry Population:
Scoped for This Run Only		1 (1.00%) Question Mark
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Production Metrics Tree: Grade 80

Target Profile: 18S-M8-17J-HTL-APTI-17J

Rockford Grade 80 (All Variations): 250 ETP
18S: 250 100.00%
18s, Grade 80
18S-M8: 250 100.00%
18s, Grade 80, Model 8
18S-M8-17J: 225 90.00%
18s, Grade 80, Model 8, 17 Jewels		 Other: 25
Other Jewels or Unclassified
18S-M8-17J-HTL: 225 90.00%
18s, Grade 80, Model 8, 17 Jewels, Hunting/Lever/Two-Tone
18S-M8-17J-HTL-APTI: 225 90.00%
18S-M8-17J-HTL-APTI-17J: 175 70.00% Other: 50
Other Variants or Unclassified

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There is 1 watch in the population registry for this run with 1 image.
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Rockford Grade 80 Pocket Watch