Perpetual Calendar
4 articles

What Are Haute Horlogerie Minute Repeaters and Perpetual Calendars?
The Chopard L.U.C Grand Strike, a single watch movement, integrates Grande Sonnerie, Petite Sonnerie, and Minute Repeater functions, protected by 10 technical patents, showcasing the pinnacle of haute

What Are Haute Horlogerie Complications Explained?
A diamond-less gold IWC Da Vinci Perpetual Calendar IW3750 can be found for about $10,000 on the secondary market, making a pinnacle of mechanical engineering surprisingly accessible, according to Lux

Luxury Watch Complications Masterpieces for 2026
The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar “Lumen” features a perpetual calendar designed to remain accurate for decades without manual adjustment, typically until the year 2100, a tes

Luxury Watch Complications Explained: A Collector's Guide
Luxury watch complications are mechanical functions that extend beyond basic timekeeping, representing the pinnacle of horological craftsmanship. Understanding their complexity, history, and brand association is key for collectors to determine value and rarity.