Knowledge
Settling the 300-Year Old Dispute – Who Invented the Balance Spring?
The irascible Robert Hooke and his long-lost notes.
In-Depth: Krayon Everywhere, the Mechanical Sunrise and Sunset Calculator
Explaining the uber-complication.
Innovating and Inventing: The Greubel Forsey Différentiel d’Égalité Explained
Constant force revisited.
Up Close: Patek Philippe Observatory Tourbillon Pocket Watch No. 198’312
Hardcore watchmaking at its best.
When Accuracy Mattered – Part Two: The Rise and Fall of Observatory Competitions
And the most precise mechanical watch ever?
When Accuracy Mattered – Part One: Watchmaking Heroes and the Battle for Time
When régleurs were the stars.
The Birth of the Lange Zeitwerk, According to Anthony de Haas (With Never Seen Before Sketches)
Lange's development chief explains how the signature digital watch came about.Load More
