Today, A. Lange & Söhne announced the Grand Lange 1 “Lumen.” The Lumen, not to be confused with the Grand Lange 1 Luminous, has a cool smoked sapphire crystal dial like the extremely popular Zeitwerk Luminous.
Last year, A. Lange & Söhne introduced a redesigned Grand Lange 1 with a new movement and a non-overlapping dial. The limited Grand Lange 1 Lumen features the new caliber, and its semi-transparent dial is non-overlapping like the iconic Lange 1.
Previously, the complex mechanism responsible for this unprecedented date display format remained hidden beneath the solid-silver dial. Now, with the semi-transparent sapphire crystal dial, you can see the date mechanism — and it glows in the dark. Additionally, the time and power reserve glow in the dark as well. The outer ring and the hour, minute and small second dials are made of blackened silver.