Hamilton
American watch brand from Lancaster, Pennsylvania, known for railroad watches, military watches and the electric Ventura.
The Hamilton Watch Company was founded in Lancaster, Pennsylvania, and became known for accurate pocket watches for the American railroads, where timetables demanded exact time.
During the Second World War Hamilton made watches for the US Army, and the Ventura of 1957 was the world's first battery-powered wristwatch. Since the 1970s the brand has been part of the Swiss watch industry and is now in the Swatch Group.
The name Hamilton and often Lancaster PA on older dials and movements.
Military field watches with a black dial and a 24-hour scale.