Skip to Main Content [enter] Hands-On The A. Lange & Söhne Lange 1 Perpetual Tourbillon Lumen The German brand shines with another radiant example of maximalist watchmaking. May 08, 2026 Photos by TanTan Wang The watches of A. Lange & Söhne very rarely gets a chance to step out of the stoically traditional design language the brand has established since its relaunch in 1994, but one collection from the brand offers a unique respite from it all. Lange's Lumen series is now in its 16th year since the introduction of the Zeitwerk "Luminous" back in 2010, with its inaugural display of smoked sapphire, blacked-out details, and, of course, luminous numerals for the hour and minute discs. But while that model was the first to be executed, the following Grand Lange 1 Lumen in 2012 was the first model officially given the name "Lumen." Last month, at Watches and Wonders, Lange introduced the seventh Lumen in the lineup, with the new Lange 1 Tourbillon Perpetual Calendar Lumen.…