The releases will form part of a year long celebration of A. Lange & Söhn's 25th anniversary.
It has now been four years since A. Lange & Söhne first combined the stopseconds mechanism with a zero-reset time setting feature for the tourbillon.
Unique 1815 Homage to Walter Lange watch ever made in a steel case went under the hammer for over $850,000.
Limited US boutique edition the Saxonia Annual Calendar is now available in white gold with a grey dial.
CEO hints that global network of 18 boutiques will all move towards the Bauhaus-inspired store design.
Watches are housed in 36.8mm white or rose gold cases with guilloched gold dials that match colored alligator leather straps.
A. Lange & Söhne announces it is raising money for the Children Action Foundation.
Walter Lange died in January 2017, and his life will be celebrated with the launch of the 1815 'Homage to Walter Lange' timepiece.
Wilhelm Schmid is set to deliver a speech at this year’s “Blue Crafts” installation during the show on Thursday.
684-part timepiece was previewed at the Geneva Salon in January 2017.