Perpetual Calendar
3 articles

Watches & Jewelry
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
Sebastian Duval·August 18, 2026

Watches & Jewelry
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
Henry Caldwell·April 30, 2026

Watches & Jewelry
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
Henry Caldwell·April 16, 2026