Here's an inside look into the creation of this piece, which takes over a year.
The rediscovered masterpiece from circa 1902 that inspired the new version: the Grand Complication pocket watch 42500, pictured here after and before restoration.
A. Lange & Söhne website
A. Lange & Söhne Facebook page
TimeZone's look behind the scenes
World Tempus tells the story of the rediscovery of the Grand Complication 42500
