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1888 Rockford Grade 83 M-8 15j 18s Pocket Watch Century Swing out Works w/Chain
$249.95
Check Price Source: eBay.com
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Rockford RW,CO pocket watch 1888 , 15 jewel working lever set Silverode case
$359.99
Check Price Source: eBay.com
Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/433070
Access Date: February 17, 2025
From the American Horology Archive:
Rockford Grade 83 Pocket Watch
Rockford Watch Co.

Grade: 83

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 433070 Question Mark
Grade: 83 Question Mark
Model: 8 Question Mark
Estimated Production Year: 1894 Question Mark
Run Quantity: 100 Question Mark
Grade/Model Run: 28 of 32 Question Mark
Grade/Model Total Production: 21,100 Question Mark
Variant Est. Production: 20,400 (18S-M8-15J-HNL) Question Mark
Size: 18s Question Mark
Jewels: 15j Question Mark
Jewel Setting: Screw-Set Question Mark
Movement Configuration: Hunting Question Mark
Movement Finish: Nickel Question Mark
Movement Inlay Color: Black Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Type 6 Question Mark
Hairspring: Breguet Question Mark
Escapement Type: Straight-line Question Mark
Adjusted: Mixed Question Mark
Movement Markings: R.W.Co.
Rockford Ill.
Case: Various Question Mark
Run ID: 476.83G28.18S409.188M116.H262.L339.15J186 Question Mark
Data Research: 1907 Rockford Serial List
 Question Mark
Database Version: v52.608 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 63.52 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 649.40 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 3.286% Question Mark
Registry Population:
Scoped for This Run Only		2 (2.00%) Question Mark
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Production Metrics Tree: Grade 83

Target Profile: 18S-M8-15J-HNL-U/A

Rockford Grade 83 (All Variations): 21,100 ETP
18S: 21,100 100.00%
18s, Grade 83
18S-M8: 21,100 100.00%
18s, Grade 83, Model 8
18S-M8-15J: 20,600 97.63%
18s, Grade 83, Model 8, 15 Jewels		 Other: 500
Other Jewels or Unclassified
18S-M8-15J-HNL: 20,400 96.68%
18s, Grade 83, Model 8, 15 Jewels, Hunting/Lever/Nickel 		Other: 200
Other Configs or Unclassified
18S-M8-15J-HNL-U/A: 20,400 96.68%

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.
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Rockford Grade 83 Pocket Watch