Pocket Watch Database

From the American Horology Archive:
Rockford Grade 938 Pocket Watch

Rockford Watch Co.

Grade: 938

Manufacturer: Rockford
Manufacturer Location: Rockford, Illinois
Movement Serial Number: 770003
Grade: 938
Model: 9
Estimated Production Year: 1908
Run Quantity: 500
Grade/Model Run: 4 of 10
Grade/Model Total Production: 7,200
Size: 18s
Jewels: 17j
Movement Configuration: Openface
Movement Finish: Two-Tone
Movement Setting: Lever
Plate: Full Plate
Data Research: 1907 Rockford Serial List
Case: Various
Registry Population: 5 (1.00%)
Database Version: v49.712

Population Registry for This Run

Image Serial Number Run Position Primary Identification Method Discovery Date
1
Image Credit: afilter
770003 #3 Collection January 05, 2023
2 770117 #117 Marketplace March 08, 2018
3 770204 #204 Collection July 31, 2015
4 770419 #419 Marketplace March 10, 2018
5 770445 #445 Marketplace March 24, 2018
Standard Deviation of Known Examples: 191.46 (Expected: 144.48, Δ46.98/9.40%)

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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.


Anonymous · December 17, 2019

Serial Number 770445 was reported as accurate.

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

Anonymous · June 14, 2018

Serial Number 770241 was reported as accurate.

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

Anonymous · April 4, 2018

Serial Number 770174 was reported as accurate.

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

Anonymous · November 14, 2017

Serial Number 770113 was reported as accurate.

Changes since this report was submitted:
Movement Finish changed from Nickel to Two-Tone
Rockford Grade 938 Pocket Watch