Pocket Watch Database

From the American Horology Archive:
Rockford Grade 87 Pocket Watch

Rockford Watch Co.

Grade: 87

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 310184
Grade: 87
Variation: LP
Model: 7
Estimated Production Year: 1888
Run Quantity: 500
Grade/Model Run: 1 of 8
Grade/Model Total Production: 5,500
Size: 18s
Jewels: 15j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Two-Tone
Movement Signing Style: Old English
Movement Inlay Color: Black
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: 287.87G1.18S285.187M25.O37.L150.15J108
Database Version: v52.219
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
16.46
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%)

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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.


Anpavl Supporter 18 · July 14, 2023

Serial Number 310143 was reported as accurate.

Anpavl Supporter 18 · July 10, 2023

Serial Number 310143 was reported as accurate.

Anonymous · August 13, 2021

Serial Number 310348 was reported as accurate.

Anonymous · January 28, 2021

Serial Number 310213 was reported as accurate.

wmike565 Supporter 115 · March 8, 2018

Serial Number 310448 was reported as accurate.

wmike565 Supporter 115 · March 4, 2018

Serial Number 310448 was reported as accurate.

bobone 22 · April 30, 2017

Serial Number 310020 was reported as accurate.

Anonymous · May 27, 2015

Serial Number 310089 was reported as accurate.

Rockford Grade 87 Pocket Watch