Black Nautilus Open Heart

The Black Nautilus Open Heart from BYW is a striking blend of modern engineering and timeless elegance, featuring a sleek silver case and bracelet that contrasts beautifully with its deep black dial. At its core, the watch is powered by the reliable NH38 automatic movement, ensuring precision and durability while showcasing its mechanical beauty through the open-heart window. The horizontally embossed dial texture enhances its sporty yet refined aesthetic, while the applied indices and luminous hands ensure excellent readability in any lighting. Designed for those who appreciate both intricate craftsmanship and bold design, the Black Nautilus Open Heart is a perfect fusion of luxury and performance.