The Richard Lange Perpetual Calendar "Terraluna" by A. Lange & Söhne was the winner of the Calendar Watch Prize of the Grand Prix d’Horlogerie on 31 October 2014. Walter Lange, the 90-year-old founder of company, received the Special Jury Prize. This prize rewards a personality, institution or initiative that has played a fundamental role in promoting fine watchmaking.
The Richard Lange Perpetual Calendar "Terraluna", had previously received two other important acknowledgements: At the Salón Internacional Alta Relojería (SIAR) in Mexico City it was named Watch of the Year and at the first GQ Time Awards in Munich it got the first prize in the Innovation category.
The Richard Lange Perpetual Calendar "Terraluna" combines A. Lange & Söhne’s benchmark precision, inventiveness, and design competence in a horological piece. Featuring a patented orbital moon-phase display, a perpetual calendar with the Lange outsize date, a power-reserve of 14 days, and a constant-force escapement, this time-keeping instrument represents the pinnacle of Saxon watchmaking artistry.