Pocket Watch Database

Movement Specs Production Population Registry 6 Value Parts Ad Archive 1 For Sale Save to My Collection Print Page
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Information Provided by PocketWatchDatabase.com:
https://pocketwatchdatabase.com/search/result/rockford/359392/movement
Access Date: April 19, 2024
From the American Horology Archive:
Rockford Grade 87 Pocket Watch
Rockford Watch Co.

Grade: 87

Private Label(s) in Run:

Chronometro adjustado a Temperaturas

What is a Private Label?
Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 359392
Grade: 87
Variation: LP
Model: 7
Estimated Production Year: 1890
Run Quantity: 500
Grade/Model Run: 6 of 8
Grade/Model Total Production: 5,500
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Movement Setting: Lever
Plate: Full Plate
Regulator: Type 5
Hairspring: Breguet
Escapement Type: Straight-line
Standard Dial Type: Double-Sunk
Adjusted: Yes
Movement Markings: R.W.Co.
Rockford Ill.
Adjusted
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 351.87G6.18S340.187M51.O63.L214.15J141
Database Version: v52.235
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration		 16.56
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration		 169.25
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration		 0.857%
Registry Population: 6 (1.20%)
Value Guide
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Production Metrics Tree: Grade 87

Target Profile: 18S-M7-15J-OTL-A-LP

Rockford Grade 87 (All Variations): 5,500 ETP
18S: 5,500 100.00%
18s, Grade 87
18S-M7: 5,500 100.00%
18s, Grade 87, Model 7
18S-M7-15J: 5,500 100.00%
18s, Grade 87, Model 7, 15 Jewels
18S-M7-15J-OTL: 5,500 100.00%
18s, Grade 87, Model 7, 15 Jewels, Openface/Lever/Two-Tone
18S-M7-15J-OTL-A: 5,500 100.00%
18S-M7-15J-OTL-A-LP: 5,500 100.00%

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
There are 6 watches in the population registry for this run with 2 images.
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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.

Dave895 Supporter 90 · June 6, 2020

Serial Number 359392 was reported as accurate.

Anonymous · April 3, 2020

Serial Number 359297 was reported as accurate.

Anonymous · January 20, 2018

Serial Number 359091 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone

Anonymous · March 24, 2015

Serial Number 359009 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Rockford Grade 87 Pocket Watch
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Rockford RARE private label I. ZELLER. IDAHO SPRINGS, COLO. 15J two-tone (1890)
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