review
A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen” Review
The new A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen” pushes the brand’s flagship line forward with a striking platinum case, a tinted sapphire dial, and a reengineered L255.1 movement that offers a more visible tourbillon, a double‑function moon phase, and an intricate perpetual calendar