ETA SA AEON-NAISSANCE-DUNE-MONTRE-2

The Time Æon caliber Naissance d'une Montre 2 is a manual-winding movement made in Switzerland by ETA SA. It features a constant force regulator and an inverted construction with the gear train displayed on the dial side. The movement includes Kif shock protection and a large power reserve indicator visible on the caseback. Developed as a collaboration between Dominique Buser and Cyrano Devanthey with support from Robert Greubel, Stephen Forsey, Felix Baumgartner and Martin Frei, the caliber was announced in 2019 and launched in 2023. Only one piece was produced, auctioned at the Geneva Watch Auction XVII for CHF 406,400.