Zhang Ailing once said, "A man's cufflinks are like a woman's exquisite earrings." For men wearing formal clothes, cufflinks are the finishing touch that cannot be ignored, always showing a man's unique taste. This cufflink takes the mechanical movement as its creative inspiration, and incorporates the tourbillon element of the watch into it. The yellow ring inside the movement can swing back and forth, which is unique and novel, full of...