Knowledge

Explained: Audemars Piguet’s Revolutionary Perpetual Calendar Cal. 7138

A new era for the 150th anniversary.

Who Invented the Hairspring?

The tale of Hooke vs. Huygens that began 350 years ago.

Insight: The Chronograph Reset Mechanism

A game of hearts.

Visiting American Independent Keaton Myrick

Watchmaking in the Pacific Northwest.

In-Depth Retrospective: A. Lange & Söhne Zeitwerk “Luminous”

A deep dive into the digital watch.

Explained: The Rolex Parachrom Hairspring

The relevance of alloy hairsprings in a silicon world.

Historical Perspectives: The Rise and Fall of Brazil’s Watch Clubs

Pioneers in making luxury watches accessible.

Insight: The Modern Performance Chronograph Movement

New takes on classical concepts.

Insight: Updated Criteria for the Patek Philippe Seal

Precision and pressure.

Explained: Dial Making at Rolex

From electroplating to PVD and more.