These clocks were often modeled after German and American designs but made with Japanese movements, and they gained popularity for their reliability and decorative appeal.
Identification: "A in Diamond" Trademark
The stylized "A" inside a diamond is a known trademark of Aichi Tokei Denki, a Japanese clockmaker active from the late 19th century through the mid-20th century. This company produced a wide range of mechanical clocks, including wall clocks, mantel clocks, and regulators, often for export.
Roman numeral dial with a metal bezel and center ring.
The dong is located behind the pendulum with metal rings, a unique feature that you will love watching.