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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/415188/link
Access Date: December 24, 2024
From the American Horology Archive:
Rockford Grade 81 Pocket Watch
Rockford Watch Co.

Grade: 81

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 415188 Question Mark
Grade: 81 Question Mark
Model: 8 Question Mark
Estimated Production Year: 1893 Question Mark
Run Quantity: 200 Question Mark
Grade/Model Run: 1 of 5 Question Mark
Grade/Model Total Production: 600 Question Mark
Variant Est. Production: 550 (18S-M8-17J-HTL) Question Mark
Size: 18s Question Mark
Jewels: 17j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Micrometric Question Mark
Escapement Type: Straight-line Question Mark
Standard Dial Type: Double-Sunk Question Mark
Adjusted: Yes Question Mark
Adjusted to Position: Yes Question Mark
Adjusted to Temperature: Yes Question Mark
Adjusted to Isochronism: Yes Question Mark
Case: Various Question Mark
Run ID: 449.81G2.18S385.188M103.H246.L312.17J9 Question Mark
Data Research: 1907 Rockford Serial List
 Question Mark
Database Version: v52.526 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 1.80 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 18.44 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.093% Question Mark
Registry Population:
Scoped for This Run Only		2 (1.00%) Question Mark
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Production Metrics Tree: Grade 81

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

Rockford Grade 81 (All Variations): 1,600 ETP
18S: 1,600 100.00%
18s, Grade 81
18S-M8: 600 37.50%
18s, Grade 81, Model 8		 Other: 1,000
Other Models or Unclassified
18S-M8-17J: 600 37.50%
18s, Grade 81, Model 8, 17 Jewels
18S-M8-17J-HTL: 550 34.38%
18s, Grade 81, Model 8, 17 Jewels, Hunting/Lever/Two-Tone 		Other: 50
Other Configs or Unclassified
18S-M8-17J-HTL-APTI: 550 34.38%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 2 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 · November 19, 2019

Serial Number 415061 was reported as inaccurate.

Note: This one is not two-tone so perhaps a mixed run.
Cheers. duffy l.

Anonymous · July 21, 2014

Serial Number 415018 was reported as inaccurate.

No further details were submitted with the report.
Changes since this report was submitted:
Movement Finish changed from Gilt to Two-Tone

guccicrew100 41 · January 7, 2014

Serial Number 415194 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Gilt to Two-Tone
Rockford Grade 81 Pocket Watch