Uploaded September 2016 | Updated September 2026, 23 hours ago
The patented constant force escapement of the RICHARD LANGE PERPETUAL CALENDAR "Terraluna" was developed to handle the extreme power of a twin mainspring barrel movement. It enables consistent force distribution, ensuring precise accuracy throughout all 14 days of the power reserve period.
The patented constant force escapement of the RICHARD LANGE PERPETUAL CALENDAR "Terraluna" was developed to handle the extreme power of a twin mainspring barrel movement. It enables consistent force distribution, ensuring precise accuracy throughout all 14 days of the power reserve period.
