For SIHH 2017, Glashütte, Germany-based A. Lange & Söhne presents a new addition to the popular 1815 watch collection family that I think a lot of collectors have been waiting for. The A. Lange & Söhne 1815 Annual Calendar watch, as the name implies, adds an annual calendar complication to the brand's large assortment of perpetual calendar watches.
The article A. Lange & Söhne 1815 Annual Calendar Watch first appeared on aBlogtoWatch and was written by Ariel Adams.