De Bethune DB28 with silicon/platinum annular balance

The Schmidt List: 5 Extraordinary Balance Wheels – Reprise

The balance wheel, the critical regulatory organ of a mechanical watch, is expected to deliver a consistent frequency with a tolerance of as little as 0.001 percent. With so much at stake, why complicate things by altering a pure and simple geometric shape? Why reinvent the wheel? Well, here are five balances that definitely did reinvent the wheel.

Movement side of Valjoux 7750

Valjoux 7750: The World’s Greatest Chronograph Movement By Far (By Popularity And Numbers) – Reprise

As Martin Green became ever more impressed by the performance of the Valjoux 7750 chronograph movement, he also found himself ever-enamored by its little quirks and the variety of watches it has been tapped to power. Here Martin outlines the history of this classic automatic chronograph movement.

View through the display back of the Panerai LAB-ID Luminor Carbotech

Focus On Technology: Plastics In Watches And Why We Are Likely To See More Of Them – Reprise

Exotic materials: love them or hate them? And where are you in regard to plastics, which are ever-increasingly appearing in wristwatch cases and movements? This might help you decide.

Detailed Primer On Gemstones And Their Appreciation: An Introduction To The Finer Things

Recently Joshua Muchow has become somewhat informed about gemstones and related techniques in studying for the jewelry-heavy Grand Prix d’Horlogerie de Genève categories we discuss annually. This new information has sparked a significant amount of passion for the topic, leaving him wanting to share some of what he’s learned about one of the most beautiful sides of haute horology: gems and their settings.

Haldimann Central Balance Pure H12

Focus On Materials: Primer On The Science of Steel, The Stuff Of Cases, Mainsprings, Hairsprings, Pinions, Escapements And The Backbone Of Watchmaking – Reprise

Joshua Munchow talks about steel here, the metal that made the world! Watch cases and other movement components are commonly made from certain stainless steels, 304 and 316L being the most common. It also happens that some brands hold exclusive rights to use specific alloys in the production of its watches. Here’s what you should know about steel.

Visiting Parmigiani Fleurier, Vaucher Manufacture Atokalpa, Elwin, Les Artisans Boîtiers, And Quadrance & Habillage: A Family Affair

Even in the watch world, miracles never happen alone: nearly every watch company needs suppliers. Parmigiani Fleurier, in Switzerland’s Val de Travers, has the advantage of being part of the Sandoz Family Foundation, whose extensive catalog of companies includes some of the best suppliers available.

H. Moser & Cie. Endeavour Perpetual Moon Concept Vantablack on the wrist

How Vantablack And Other Coating Technologies Are Disrupting Watch Norms – Reprise

As material science progresses, the watch industry finds itself flush with ever more ways to disrupt the conventional norms of finishing and coating surfaces, many of which have persisted in traditional watchmaking for centuries. Joshua Munchow takes a look at some of this disruption and evolution, which recently culminated in the use of Vantablack.

The Jaeger-LeCoultre Grande Reverso with impressive rock setting

Diamond-Set Watches: Who Knew Fine Craftsmanship Was So Complicated? – Reprise

It turns out gem-setting is a lot more difficult than many appreciate. Diamond-setting watches requires the expertise and craftsmanship of about half a dozen highly skilled craftsmen, each a master of their craft, as highlighted here by Martin Green.

How The Watch Industry Is Testing Blockchain And Cryptocurrency, Plus Five Brands That Have Already Waded In

Blockchain may have its place; cryptocurrency remains a subject for debate. One thing is for sure: the watch industry is testing the marketability and benefits of both. Chris Malburg explains how each provides both risk and reward to five industry players.

Fitting Rolex balance wheel and Parachrom hairspring

Hairsprings: Origins, Progress, And (Dare I Say) Exciting Future

The tiny, delicate, nearly impossible-to-create hairspring is the one of the biggest advances for modern scientific technology there is. Joshua Munchow takes a dive into the muscle of the beating heart of most mechanical watches: the hairspring.