Knowledge

Insight: The Advantages of a Vertical Clutch Chronograph

The efficient approach.

A Collector’s Perspective: The Cartier Crash

Fulfilling a special-order dream.

Explained: The Vertical Clutch of a Chronograph

The modern and efficient approach.

Explained: The Horizontal Clutch of a Chronograph

The classic, planar approach.

In-Depth: The Prestige and Patents of the Rolex Oyster Perpetual Day-Date

Instantaneously ingenious.

Purpose Built: The Sinn EZM 12

A unique watch for emergency medics.

Insight: The Geometric Efficiency of Escapements

Quantifying performance by measuring efficiency.

In-Depth: The Ingenuity of the Rolex Oyster Perpetual Sky-Dweller

Saros annual calendar and Ring Command system.

Visiting the Vacheron Constantin Manufacture

Science and art under one roof.

Insight: Governors of Minute Repeaters, Sonneries, and Other Striking Watches

An essential mechanism regulating pace.