A. Lange & Söhne - Lange 1 (Calibre L121.1)

The Lange 1, the most iconic model of A. Lange & Söhne since the manufacture's refounding in 1990, gets a revamp for 2015.

Time and Watches has an excellent article here on the importance of the Lange 1 in the relaunch of A. Lange & Söhne as a watch manufacture.

A. Lange & Söhne website

A. Lange & Söhne Facebook page

Time and Watches' review (with comparison with previous version)

Watch Collecting Lifestyle's review

Professional Watches' review

Hodinkee's review

Fratello Watches' review

Watches by SJX's pics (in wrap-up of SIHH2015)