Jacob & Co. Astronomia Régulateur (2024)

Case is in 43mm 18K rose gold case with a thickness of 18mm, it features a single-block sapphire caseband and a curved anti-reflective sapphire crystal. The dial base is polished titanium, the hour and minute sub-dials are made from domed green polycarbonate with white printed scales. These sub-dials rotate counter-clockwise, kept legible by two differentials that align them correctly as they spin. The seconds are uniquely displayed on a large, domed, green ring that rotates counter-clockwise. Movement is hand-wound JCAM56 caliber, with 552 components and a 48-hour power reserve. The 1 min flying tourbillon is equipped with a constant force device Green alligator leather strap with an 18K rose gold deployment buckle. Limited to 99 pcs. Priced at US$280,000