GENEVA, Oct. 19 -- BREITLING AG (Leon Breitling-Strasse 22540 Grenchen) filed a patent application (PCT/IB2025/053901) for "PERPETUAL CALENDAR MECHANISM FOR A TIMEPIECE MOVEMENT" on Apr 14, 2025. With publication no. WO/2025/215620, the details related to the patent application was published on Oct 16, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): EISENEGGER, Kilian (Oberfeld 353283 Kallnach), OPPLIGER, Michael (Rue des Chavannes 522016 Cortaillod)
Abstract: The present invention relates to a perpetual calendar mechanism (1) for a timepiece movement. The mechanism comprises a date mobile ...