Perpetual Calendar

2 articles

Intricate mechanical watch movement with visible gears and springs, showcasing the detailed craftsmanship of haute horlogerie.

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

Close-up of an intricate A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar 'Lumen' watch face, highlighting its complex mechanism and thin design.

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