Piaget Altiplano Ultimate Concept Tourbillon (2024)
M64BC Cobalt alloy case in 41.5 mm blue PVD treatment, thickness at 2mm (World record); sapphire crystal, water resistant to 30m. Manual winding calibre Cal. 970P-UC – winding can be done by hand but a tool is supplied for easier handling. Power reserve is 40hrs
Priced at CHF600,000