Sapphire Pocket Watch

Sapphire was a grade of pocket watch movements manufactured by American Waltham Watch Co..

The American Waltham Watch Co. manufactured watches in Waltham, Massachusetts from approximately 1852 to 1957. See more information about American Waltham Watch Co. or find out more information about your watch by conducting a serial number lookup.

American Waltham Watch Co.

Initial Marking: A.W.W.Co.

Location: Waltham, Massachusetts

Years of Operation: 1852-1957

Predecessor: American Watch Co.

Factory Building Status: Still standing. Building has been converted into apartment lofts.