Heartbeat: 1815 Tourbillon Handwerkskunst By A. Lange & Söhne
The year 2015 represents the 200th anniversary of the birth of Ferdinand Adolph Lange, founder of the illustrious watch manufacture A. Lange & Söhne in Glashütte. To celebrate, A. Lange & Söhne book-ended the year with special watches, including the 1815 Tourbillon Handwerkskunst, which has been exquisitely and painstakingly engraved using the ‘tremblage’ method.