Pocket Watch Database

Due to the lack of existing factory records, our Tremont Watch Co. 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:
Tremont Watch Co. Grade [Anglo-American Watch Co.] Pocket Watch

Tremont Watch Co.

Grade: [Anglo-American Watch Co.]

Manufacturer: Tremont Watch Co. Question Mark
Manufacturer Location: Boston, Massachusetts Question Mark
Movement Serial Number: 13487 Question Mark
Grade: [Anglo-American Watch Co.] Question Mark
Variation: 7J.CompBalance Question Mark
Model: 1 Question Mark
Estimated Production Year: 1873 Question Mark
Run Quantity: 3,000 Question Mark
Grade/Model Run: 3 of 3 Question Mark
Grade/Model Total Production: 5,000 Question Mark
Variant Est. Production: 4,000 (18S-M1-7J-EGK-U-7J.COMPBALANCE) Question Mark
Size: 18s Question Mark
Jewels: 7j Question Mark
Movement Configuration: Adaptable Question Mark
Movement Finish: Gilt Question Mark
Movement Setting: Key Question Mark
Plate: Full Plate Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Railroad Grade: No Question Mark
Case: Various Question Mark
Run ID: 30.G3.18S30.181M29.E30.K30.7J7 Question Mark
Database Version: v52.608 Question Mark
Advanced Metrics
PWDB Absolute Rarity Index:
Scoped for Grade/Size/Model/Configuration
15.05 Question Mark
PWDB Relative Rarity Index:
Rarity within Manufacturer - Scoped for Grade/Size/Model/Configuration
450.00 Question Mark
Share of Production:
Share within Manufacturer - Scoped for Grade/Size/Model/Configuration
27.337% Question Mark
Registry Population:
Scoped for This Run Only
1 (0.03%) Question Mark
Research Note: Anglo-American Watch Co. Production Using Tremont Material

Help Us Help Others By Improving the Database:

Does this information describe your movement accurately?

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.


AIexander Supporter 1 · January 5, 2024

Serial Number 13487 was reported as inaccurate.

Note: Jewel count is off in the database.

Anonymous · January 18, 2021

Serial Number 13461 was reported as accurate.

Changes since this report was submitted:
Grade changed from Anglo-american Watch Co. to [Anglo-American Watch Co.]
Tremont Watch Co. Grade [Anglo-American Watch Co.] Pocket Watch