Knowledge

In-Depth: Understanding Isochronism and Oscillators

The inherent isochronism of the sprung balance.

Complicated Collectors: James Ward Packard

A private laboratory of time.

In-Depth: The Mysterious Double-Movement Patek Philippe Pocket Watches

The who, why, and how.

In-Depth: Breguet’s Constant-Force Magnetic Escapement

Expérimentale 1 masters magnetism.

Insight: Shaping the Rolex Identity with a Century of Strategic Positioning

Rolex marketing from 1905–2025.

Complicated Collectors: Gerd Ahrens

The watchmaker's son who became horology's scholar-collector.

Hands On: Breguet Four-Minute Tourbillon No. 1890

The best watch by the best watchmaker.

In-Depth: Balancing Mainspring Dimensions Inside the Barrel

An analytical approach.

The French Connection: Trilobe’s Parisian Workshop

The brand is making moves (and movements).

In-Depth: Patek Philippe Ref. 1518 in Stainless Steel

When steel is worth more than gold.
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