In-Depth – Zenith DEFY LAB, 3 Centuries of Regulation & Chronometry Revolutionized with a Radically New Oscillator (Technical Insights & Video)

In-Depth – Zenith DEFY LAB, 3 Centuries of Regulation & Chronometry Revolutionized with a Radically New Oscillator (Technical Insights & Video)

It’s presently an ideal opportunity to lift the shroud on the huge and really energizing news we had foreseen further to Jean-Claude Biver’s (President of the LVMH watch division) and Julien Tornare’s (CEO of Zenith) public interview last May: a noteworthy advancement in the field of chronometry, investigating unchartered domains and testing the basic working principle of the mechanical watch guideline, imagined in 1675 by Christiaan Huygens – a principle that has remained basically unaltered since its creation. The name of this watch is the Zenith DEFY LAB, and it comes with a revolutionary, yet actually very straightforward, kind of oscillator.

Background – more than three centuries of guideline based on Huygens’ principles

Believe it or not, yet the manner in which watches and timekeepers are directed has not changed during the most recent three centuries. Obviously, extraordinary improvements have been made. However, since the second 50% of the seventeenth century, all mechanical watches depend on the accompanying formula:

Energy → Transmission → Escapement → Oscillator

The energy (stored by a wound spring in a watch or a load for a pendulum) is delivered in prudent blasts by the directing organ, which is comprised of an escapement and oscillator. The escapement offers driving forces to the oscillator. Consequently, the escapement is controlled by the oscillator. Every wavering, thusly, permits the stuff train to progress or “escape” a set amount.

In the second 50% of the seventeenth century, the Dutch researcher Christiaan Huygens practiced profound impact on the advancement of horology. Specifically through his chips away at oscillators. He first adjusted Galileo’s law to build up a pendulum clock, which significantly improved the precision of the mechanical clock. Still a clock must be adequately huge to accommodate the swing of a pendulum and if the clock was shaken, its working would be upset. These issues were settled by another significant development by Huygens in 1675:  .

With it, a very slight curled hairspring guarantees that the balance swings to and fro at a steady recurrence. It controls the speed at which the pinion wheels of the watch turn and accordingly its rate.

Since at that point, the sprung balance has been the select time reason for the mechanical watch. The balance and hairspring have been advanced to the best conceivable degree, yet its principle has remained essentially unchallenged in mechanical watchmaking for more than three centuries. That was until 2013 when Jean-Claude Biver gave the green light to the LVMH Watch Division R&D organization group of Guy Sémon to leave on a revolutionary turn of events, made conceivable by the social occasion of multi-disciplinary ability, and going far past that of customary mechanical watchmaking. As per Guy Sémon, the examination began from learnings of quantum optics for which the investigation of motions is key – the innovative world genuinely altering the old-world watches!

The Zenith DEFY LAB and its revolutionary oscillator

With its long, one of a kind custom in the field of chronometry, Zenith was the ideal brand to present this pivotal turn of events. The pristine’s type ZO 342 is directed by a solid oscillator made of monocrystalline silicon created on account of the utilization of the laws of compliant component. The escapement working with the oscillator is fundamentally the same as a clock anchor escapement. The anchor is coordinated inside the oscillator (much the same as the anchor can be incorporated to the pendulum for certain tickers!) and works related to a silicon get away from wheel. The remainder of the development is ‘traditional’ and really utilizes parts from a current Zenith type. Simply watch the accompanying video which will make things clear.

The oscillator of the ZO 342 type combines high frequency (15Hz or 108,000 vibrations for each hour) with low amplitude (+/ – 6 degrees versus around 300 degrees for a standard balance wheel). In spite of the great recurrence, the development has a sound force hold of 60 hours – which is 10% more than for El Primero, albeit the recurrence is multiple times higher. The energy utilization of the controller is 3 to multiple times lower than that of a regular mechanism.

With a particularly high recurrence the second’s hand appears to be running easily without any jerks. The precision of the instrument is amazing. Zenith reports a day by day rate exact to 0.3 seconds per day. By method of model, a COSC chronometer needs to work inside a scope of – 4 to +6 seconds for each day.

The isochronism of the oscillator is superb, bringing about a record exactness of +/ – 0.5 seconds of the day from 0 to 48 hours. From a style angle, it is without a doubt entrancing as the quick beating of the enormous oscillator can be seen under the openwork dial.

The solid construction of the oscillator and the utilization of silicon likewise makes the development virtually harsh toward temperature changes, gravity and attractive fields (the development can withstand 1’100 Gauss) disposing of key shortcomings of customary hairsprings.

This idea is given the Zenith Defy Lab, an exceptional version of 10 interesting pieces. The ZO 342 type is housed in a 44mm case molded out of Aeronith. Aeronith is another material – for which a patent has been recorded by Hublot’s R&D office – made of aluminum froth and an extraordinary polymer. The outcome is another mixture material (as opposed to an amalgam) that is 2.7 occasions lighter than titanium, 1.7 occasions lighter than aluminum, and 10% lighter than carbon fibre.

The Zenith oscillator is, without question, a surprising turn of events. We are managing the actual pith of watchmaking and chronometry. Its plan is even more noteworthy in that it is nearly “simple” in its idea, and the development is conventional with straightforward or extra-sophistications. The escapement is “simple“. The oscillator principle is excellent – its idea and configuration are unadulterated virtuoso and require intensive skill and forefront technology.

There have been a few improvements in the course of recent years in the field of escapements and oscillators. The Omega Coaxial escapement is the special model that made it to huge sequential creation up until this point. Not many new mechanical oscillators have been introduced – among these the TAG Heuer Mikrogirder, the oscillator of the Genequand/Senfine controller of Parmigiani Fleurier or the DR01 idea drafted by Dominique Renaud. What LVMH is introducing here isn’t simply one more “concept-oscillator“. The gathering is wanting to fabricate 10 watches to dispatch it with Zenith, yet new watches fitted with this oscillator will be introduced when in 2018. The objective is to industrialize the idea, increase creation right away, and offer it not exclusively to other LVMH brands (including TAG Heuer very soon) yet in addition offer it to third parties.

The “aluminum froth” Aeronith case is intriguing too on the grounds that it is inventive (and thusly, it is a further exhibition of the excellent advancement limit at LVMH). However, we don’t feel that a particularly shocking improvement required this – an ordinary metal would have been consummately suited.

Lastly, visiting the LVMH R&D Institute has been an educational encounter – without a doubt. The prominent, multi-disciplinary skill has been assembled by Jean-Claude Biver and Guy Sémon, the assets contributed by the extravagance force to be reckoned with are noteworthy. What we’ve seen there (indeed, there is a whole other world to come!) was just stunning, so stay tuned! For more data about Zenith, if it’s not too much trouble, visit .

Technical Specifications – Zenith DEFY LAB

  • Case: 44mm x 14.5mm – Aeronith (aluminum froth composite material) – sapphire gems – water impervious to 50m
  • Movement: Caliber ZO 342 – mechanical with automatic winding – 14”’ ¼ – 8.13mm – ~60h power hold – 108,000 vibrations/h – 18 gems – hours, minutes, seconds – 148 parts
  • Strap: elastic crocodile calfskin tie with titanium twofold collapsing buckle.
  • Certification: “viper’s head” chronometer certificate of the Besançon Observatory – Thermal conduct ISO-3159 guidelines – Magnetic models ISO-764 standards
  • Reference: 9000.342/78.R582 – 10 remarkable pieces
  • Retail price: CHF 29,900