Knowledge

In-Depth: The Breguet Sympathique, From the Duc d’Orléans to “No. 1”

A masterpiece reemerges.

In-Depth: Hidden Innovation in the Urwerk UR-150 “Scorpion”

From retrograde racks to planetary gears.

Insight: Rolex Land-Dweller Cal. 7135, Patents and Innovation Explained

The revolutionary Dynapulse and more.

Insight: Regulating a Mechanical Watch Movement

Gyromax, Microstella, pin regulators and more.

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.