Pocket Watch Database

From the American Horology Archive:
Rockford Grade 62a Pocket Watch

Rockford Watch Co.

Grade: 62a

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 439701
Grade: 62a
Model: 7
Estimated Production Year: 1894
Run Quantity: 50
Grade/Model Run: 1 of 2
Grade/Model Total Production: 100
Size: 18s
Jewels: 17j
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Nickel
Movement Inlay Color: Black
Movement Setting: Lever
Plate: Full Plate
Regulator: Type 6
Hairspring: Breguet
Escapement Type: Straight-line
Adjusted: Yes
Adjusted to Position: Yes
Adjusted to Temperature: Yes
Adjusted to Isochronism: Yes
Movement Markings: R.W.Co.
Rockford Ill.
17 J
Adjusted
Data Research: 1907 Rockford Serial List
Case: Various
Run ID: 505.G1.18S438.187M98.O110.L368.17J29
Database Version: v52.270
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
0.30
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
3.05
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
0.016%
Registry Population: 2 (4.00%)

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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.


Radron 109 · January 13, 2020

Serial Number 439716 was reported as accurate.

Rockford Grade 62a Pocket Watch