Pocket Watch Database

Movement Specs Production Pop. Registry 4 Value Parts Ad Archive 1 For Sale Sell Your Watch Save to My Collection Print Page Find a Mainspring Find a Balance Staff
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/348079/movement
Access Date: December 20, 2024
From the American Horology Archive:
Rockford Grade 88 Pocket Watch
Rockford Watch Co.

Grade: 88

Manufacturer: Rockford Question Mark
Manufacturer Location: Rockford, Illinois Question Mark
Movement Serial Number: 348079 Question Mark
Grade: 88 Question Mark
Variation: LP Question Mark
Model: 7 Question Mark
Estimated Production Year: 1889 Question Mark
Run Quantity: 300 Question Mark
Grade/Model Run: 4 of 5 Question Mark
Grade/Model Total Production: 1,700 Question Mark
Size: 18s Question Mark
Jewels: 16j Question Mark
Jewel Setting: Gold Settings (Screw-Set) Question Mark
Movement Configuration: Openface Question Mark
Movement Finish: Two-Tone Question Mark
Movement Setting: Lever Question Mark
Plate: Full Plate Question Mark
Regulator: Type 5 Question Mark
Hairspring: Breguet 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
Movement Markings: R.W.Co.
Rockford Ill.
Adjusted
Case: Various Question Mark
Run ID: 330.88G4.18S328.187M42.O54.L193.16J7 Question Mark
Data Research: 1907 Rockford Serial List
 Question Mark
Database Version: v52.516 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 5.12 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 52.29 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.265% Question Mark
Registry Population:
Scoped for This Run Only		4 (1.33%) Question Mark
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Production Metrics Tree: Grade 88

Target Profile: 18S-M7-16J-OTL-APTI-LP

Rockford Grade 88 (All Variations): 1,700 ETP
18S: 1,700 100.00%
18s, Grade 88
18S-M7: 1,700 100.00%
18s, Grade 88, Model 7
18S-M7-16J: 1,700 100.00%
18s, Grade 88, Model 7, 16 Jewels
18S-M7-16J-OTL: 1,700 100.00%
18s, Grade 88, Model 7, 16 Jewels, Openface/Lever/Two-Tone
18S-M7-16J-OTL-APTI: 1,700 100.00%
18S-M7-16J-OTL-APTI-LP: 1,700 100.00%

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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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.

darkstar 247 · November 14, 2019

Serial Number 348149 was reported as accurate.

phantacc Supporter 66 · September 23, 2019

Serial Number 348149 was reported as accurate.

Anonymous · March 12, 2015

Serial Number 348168 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Rockford Grade 88 Pocket Watch