Pocket Watch Database


International Watch Co.

Grade: cal. 57

Manufacturer: International Watch Co.
Manufacturer Location: Jersey City, New Jersey
Movement Serial Number: 434951
Grade: cal. 57
Estimated Production Date: 1902-1907
Size: 12s
Jewels: 15j
Jewel Material: Ruby
Jewel Setting: Screw-Set
Movement Configuration: Openface
Movement Finish: Gilt
Movement Inlay Color: None
Movement Setting: Unknown
Plate: 3/4 Plate
Train Material: Brass
Center Wheel Material: Brass
Regulator: Plain
Hairspring: Breguet
Pallet Jewel Material: Ruby
Standard Dial Type: Single-Sunk
Adjusted: No
Railroad Grade: No
Movement Markings: jwc 434951 cal.57
Observation Source: geoulri1
Case: Various
Database Version: v52.400

NOTE: This information was provided by a user and has not been verified for accuracy.


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.