"New Watch" Franck Muller Franck Muller launches the Grand Central Tourbillon mid-mounted tourbillon watch Franck Muller launches a new tourbillon watch - "Grand Central Tourbillon", the special feature is the use of a unique "central tourbillon" The structure makes the slowly rotating tourbillon become the visual focus on the dial. The Cintrée Curvex barrel-shaped case has been redesigned with slender and smooth lines. The upper and lower ends of the mirror extend to the lugs, making the dial more spacious and open. The case is made of carbon fiber Made of fine texture, the black and gray stripes of carbon fiber create a subtle texture that is both charming and elegant, yet abstract and casual. The lacquered dial is paired with eye-catching oversized Arabic numerals, and the embossed guilloché texture emanates from the inside out. The spiral pattern echoes the rotation of the tourbillon. Since the tourbillon occupies the central position of the dial, the pointer gear train is also modified accordingly, and the pointer is installed on the edge of the tourbillon, as if suspended above the dial. Equipped with a self-made FM CX 40T-CTR automatic The winding movement has a swing frequency of 28800vh and provides a power reserve of up to 4 days. It is paired with a fluororubber tailor-made nylon strap and a new version of the special brushed folding clasp.