Description
A genuine antique mechanical chess clock by the Hamburg American Clock Company (HAC / HAU), dating from approximately the 1910s–1920s.
This impressive tournament timer features two independent mechanical clock movements housed in a substantial dark wooden case, with brass-tone bezels, traditional Arabic numeral dials and the distinctive crossed-arrows HAC trademark.
The crossed-arrows emblem was the registered trademark of the Hamburg-Amerikanische Uhrenfabrik, one of Germany’s important clock manufacturers. HAC mechanical movements were widely used in high-quality chess timers of the early 20th century, including clocks retailed by well-known chess equipment makers.
Each dial includes a red time-control flag, 24-hour secondary numbering and a subsidiary seconds dial. Two brass push buttons on the top control the opposing clocks, with a central locking/control lever between them.
WORKING CONDITION:
Both mechanical clock movements have been tested and are working. Both clocks are keeping time correctly.
FEATURES:
• Genuine HAC / Hamburg American Clock Company
• Circa 1910s–1920s
• Twin mechanical wind-up movements
• Crossed-arrows HAC trademarks on the dials
• Original wooden case
• Brass-tone dial surrounds
• Red chess time-control flags
• Top player push buttons
• Central locking/control mechanism
• Fully mechanical – no batteries required
CONDITION:
Original antique condition with visible patina, age-related marks and wear to the wooden case, brass parts and clock faces. The ageing adds considerable character and is consistent with an item approximately a century old.
Please study all photographs carefully as they show the exact clock, mechanisms and condition offered.











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