A. Lange & Söhne Saxonia & Lange 31 Watches Updated For SIHH 2017 A Lange & Sohne by wholesalewatches - June 14, 20170 Sometimes subtle changes are the best way to take a collection of watches to the next logical step in their evolution. With SIHH in full swing, A. Lange & Söhne is giving two of their watches a refreshed look that focuses on materials that emphasize the brand's established designs while preserving