公爵的手表在英语中可以称为 "the duke's watch"。其来源可能源于公爵在中世纪时代是欧洲王国中最高贵的统治者之一，通常会有专人为他们守时。例句如下：
The duke's watch was made of gold and encrusted with diamonds.
公爵的手表是由黄金制成的，镶嵌着钻石。
The duke always made sure to wear his watch when attending important events.
公爵总是确保在出席重要活动时佩戴他的手表。