Pocket Watch Database

From the American Horology Archive:

Robert H. Ingersoll & Bro.

Grade: Reliance

Manufacturer: Robert H. Ingersoll & Bro. Question Mark
Manufacturer Location: New York, New York Question Mark
Movement Serial Number: 794614 Question Mark
Grade: Reliance Question Mark
Model: 677 Question Mark
Estimated Production Date: 1917-1922 Question Mark
Size: 16s Question Mark
Jewels: 7j Question Mark
Movement Finish: Nickel Question Mark
Finish Pattern: Stripe Question Mark
Movement Inlay Color: None Question Mark
Movement Setting: Pendant Question Mark
Plate: 3/4 Plate Question Mark
Balance Type: Uncut Expansion Question Mark
Regulator: Plain Question Mark
Hairspring: Flat Question Mark
Adjusted: No Question Mark
Railroad Grade: No Question Mark
Movement Markings: Robt. H. Ingersoll & Bro.
U.S.A.
7 Jewels
Case: Various Question Mark
Database Version: v52.428 Question Mark
Registry Population:
Scoped for This Run Only
1 (0.02%) Question Mark


Please note that many times, movements were not finished in sequential order. As a result, the production years provided are estimates, and a margin of error +/- 5 years is expected.