The first of the revolutionary AgenGraphe chronograph movements off the production line sits at the heart of Carpe Diem by Agenhor and HEAD for Only Watch 2017

The AgenGraphe By Agenhor: The Most Significant Chronograph Since . . . Since The Invention Of The Chronograph (Archive)

The initial key concepts for the AgenGraphe chronograph included having the elapsed time indicators displaying around the center hole so that the indications were large and highly legible, and that the minute and hour displays jumped instantaneously so that there could be no confusion when reading elapsed time. But the new chronograph ended up offering much more than that. Much more!

Rolex Oyster Perpetual Sea-Dweller Deepsea with helium escape valve

Deeper, Further, Faster: Why Do Some Dive Watches Have Helium Escape Valves?

Humans have long had a fascination with the depths of the ocean, striving to go ever deeper, ever further, and ever faster by pushing the limits of the human body, technology, and advancing modern science. But like all things, we are often faced with limits.

Warning: Strong magnetic field ISO symbol

The Truth About Magnetism And Watches

General everyday contact with magnets isn’t going to cause your beloved wristwatch any real harm, but overdoses of magnetism may still present a problem, causing erratic timing and even stoppage altogether as watchmaker Ashton Tracy explains. What to do when this happens?

Gold movement of the F.P. Journe Chronomètre à Résonance

The Schmidt List: Signature Movement Screws

The components of a mechanical watch movement are little more than a series of springs and wheels, held together by plates and/or bridges. No matter the configuration, complication, or finish, the ensemble is secured by the humble movement screw. So, it’s a pleasant surprise that several watchmakers have boldly ventured beyond the thread and the slot to reimagine the movement screw.

Breitling Chronoliner on mesh bracelet

Milanaise Mesh Watch Bracelets: What’s The Attraction?

As a great many watch lovers know, straps and bracelets can make or break a watch. While many might find the “vintage” appearance of mesh too delicate for today’s watches – for me mesh remains one of the most beautiful ways to dress up a watch, whether new or old.

Tap to wake: Ressence Type 2 e-Crown

Ressence Type 2 e-Crown Concept: The Right Combination At The Right Time (With Videos)

The Ressence e-Crown Concept is what Joshua calls the first truly holistic approach to making an intelligent electromechanical watch, something that might actually bridge the gap between traditional horology and the desires of younger, tech-oriented generations.

Fitting Rolex balance wheel and Parachrom hairspring

Is Silicon Here To Stay In (Rolex) Watch Movements?

Hairsprings are miniscule. Generally no more than one centimeter in overall diameter when coiled, they are roughly 50 microns thick and 150 microns wide. Tiny they may be, but insignificant they are not. In fact, they are so significant that Rolex refers to them as “the guardians of time.” But what do silicon hairsprings bring to the table? Watchmaker Ashton Tracy explains why he went from skeptic to fan.

Urwerk AMC (Atomic Mechanical Control) wristwatch slave movement

Urwerk AMC: Atomic (Clock) Mechanical Control Is A 21st Century Version Of Abraham-Louis Breguet’s Sympathique Clocks But Much, Much Better (Geiger Counter Not Included)

Here’s a prediction by Ian Skellern: the relatively nondescript AMC movement Urwerk presented at the 2018 SIHH will not only become one of the horological highlights of the year but will take its place among history’s most significant timepieces. Ever. That’s a bold statement, he knows. Especially when all we have at present from Urwerk is the slave watch movement. Here Ian explains why he thinks AMC is so significant.

Haldimann Central Balance Pure H12

The Case For Steel: Here’s Why Stainless Steel Is The Most Precious Metal For Watches (Archive)

In the world of watches, especially with regards to collecting, rarity is a large factor contributing to the cost of a luxury timepiece. The reason is because rarity is almost always an implied condition that seems beyond control – like it just happens. In this article Joshua explains why he thinks that out of all the metals, especially the white metals like platinum and white gold, stainless steel is the most precious metal.

Andreas Strehler Lune Exacte

The 8 Most Accurate Moon Phase Wristwatches (Archive)

Waxing poetically about moon phases has gotten me excited enough to take a trip through certain “phases” of engineering excellence . Here we bring you the eight most accurate moon phases currently fitted into a wristwatch. Join us on this odyssey through space and time.