LANGE 1 TOURBILLON PERPETUAL CALENDAR “25th Anniversary” White gold with dial in argenté replica

The LANGE 1 TOURBILLON PERPETUAL CALENDAR “25th Anniversary”, launched in April 2019, is the fourth model of the special collection, marking the 25th anniversary of the LANGE 1. Limited to 25 timepieces in white gold, it features a blue-printed argenté-coloured dial, blued hands and a lunar disc in white gold with hand-engraved stars.