SJ Production Steel Case .New Watch: Franck Muller RM3 FM Launches Grand Central Tourbillon Center Tourbillon Watch .Franck Muller has introduced a new tourbillon watch, the Grand Central Tourbillon, which features a unique central tourbillon structure that makes the slowly rotating tourbillon the visual focal point of the dial.The redesigned Cintree Curvex barrel-shaped case has slender and smooth lines, with the crystal extending to the lugs, allowing for a more spacious and open dial. The case is crafted from carbon fiber, showcasing delicate textures, with black and gray stripes creating a subtle feel that is both charmingly elegant and abstractly casual.The lacquered dial is paired with striking oversized Arabic numeral hour markers, while the embossed guilloch
