Pocket Watch Database

We noticed that you entered a relatively short serial number.
"4052" could possibly indicate the grade of the watch and not the serial number of your movement. Serial numbers are usually more than a few digits.

Due to the lack of existing factory records, our United States Watch Co. (Marion) database has been reconstructed using observations of known watches.
As a result, the information may contain inaccuracies. Please let us know if you have details that can improve the database.

From the American Horology Archive:
U.S. Watch Co. (Marion, NJ) Grade Edwin Rollo Pocket Watch Movement

United States Watch Co. (Marion)

Grade: Edwin Rollo

Mixed Run: 11-Jewel and 15-Jewel Movements (Most are 15j)

Manufacturer: U.S. Watch Co. (Marion, NJ)
Manufacturer Location: Marion, New Jersey
Movement Serial Number: 4052
Grade: Edwin Rollo
Variation: No. 43
Model: 1
Estimated Production Year: 1867
Run Quantity: 1,000
Total Production: 10,340
Size: 18s
Movement Configuration: Adaptable
Movement Finish: Gilt
Movement Setting: Key
Plate: Full Plate
Balance Type: Expansion
Regulator: Plain In
Escapement Type: Straight-line
U.S. Patents: D2281, D2055
Movement Markings: Edwin Rollo
Marion, N.J.
Pat. Mch 13th 66
Database Version: v48.137

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Data Verification Reports

Verification Serial Map

Bostonjoe Top Contributor 169 · November 6, 2021

Serial Number 4001 was reported as accurate.

RobertsR 3 · February 4, 2021

Serial Number 4024 was reported as accurate.

U.S. Watch Co. (Marion, NJ) Grade Edwin Rollo Pocket Watch Movement