Knowledge

Insight: Updated Criteria for the Patek Philippe Seal

Precision and pressure.

Explained: Dial Making at Rolex

From electroplating to PVD and more.

In-Depth: The Rolex Oyster Perpetual GMT-Master II, Materials and Mechanisms

Perfecting the travel watch.

Chronicles of Precision: The Quest for Equation of Time Part II

The genesis of the equation cam.

Chronicles of Precision: The Quest for Equation of Time Part I

A centuries-long pursuit.

In-Depth: Alfred Helwig’s Flying Tourbillon in Wrist- and Pocket Watches

A history of the invention by Dr Helmut Crott.

In-Depth: A Dive Into the Oyster Perpetual Rolex Deepsea

The secrets to record-setting depths.

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.