This limited edition of 25 pieces has been produced in celebration of the 25th anniversary of the Lange 1. It is the ninth out of a total series of ten special models. Like the other anniversary editions, it comes in a white gold case with an argenté-colored solid silver dial with printed blue elements and blued steel hands.
The Lange 1 Moon Phase “25th Anniversary” edition also differs from the standard version in that it features a hand-engraved lunar disc in white gold.
This model can be distinguished by its off-center dial with an outsized date and UP/DOWN power reserve indicator.
The moon phase is so precise, it only needs to be corrected by one day every 122.6 years.
The timepiece is powered by the manufacture caliber L121.2 with a three-day power reserve.