Knowledge

Ringing In the Changes – Explaining the Greubel Forsey Grande Sonnerie

The most complicated watch ever, from a maker of very complex watches.

Understanding Watch Design at A. Lange & Söhne, With Help From the Experts

We speak to three award-winning designers and Anthony de Haas.

Explaining the Microscopic Chain Inside the A. Lange & Söhne Pour le Mérite

The constant force mechanism that's a Lange signature.

How Piaget Built the Thinnest Mechanical Watch Ever

Big ideas for a very small watch.

In-Depth: Breguet’s Ascent to Leading Watchmaker of the Ottoman Empire

Abraham-Louis Breguet, the imperial favourite.

Artfully Bringing a 1960s Girard-Perregaux Watch Back to Life

A detailed, step by step account of the sympathetic restoration of an heirloom.


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