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"Sarpaneva Lunations is the very first Sarpaneva ultra-precise in house calibre. It distils all 30 years of Stepan Sarpaneva’s professional watchmaking expertise.
The lunation in the Sarpaneva Moonment® calibre lasts 29 days, 12 hours, 44 minutes and 2.3 seconds, which means it needs to be adjusted for a single day of error only once every 14,000 years.
They envision a movement that is unique and stands out. Combining artistry of design and craftsmanship with the technical precision of watchmaking. This dream required years of dedication, learning, and practice to hone the necessary skills, as well as to find own design language. But the end result of creating a caliber that is truly unique makes it all worth it."
Źródło; https://studiosarpaneva.com/collections/sarpaneva-watches/products/lunations