![]() The design of the tuning fork in these watches is slightly different from that of Accutrons(see pics below). Most watches using these movements were tested to Chronometer grade and sold as such. 50.0 variation) Longines (Ultronic), IWC and others. These movements are superbly made, and were used by Omega (known as the f300, cal.12) Certina f300, Movado (Zenith cal. The index wheels for the ESA tuning fork watches were made by Bulova. They were manufactured under licence to Bulova by Ebauches S.A., who, up until then, made several models of electronic balance wheel watches. The 9162/ were known as the "Swissonic" line of movements. Hetzel was also the brains behind the Accutron 214. "These movements are the "Rolls-Royce" of tuning fork watches, and were designed by Max Hetzel, who had left Bulova a few years previously. The writer failed to sign his work but it is a good article (for the whole article go to. I found this on the net as you piqued my interest. I have had several of these movements and they are COOL! Tough to fix though. Spaceview 2020: Black leather strap with double-press deployant closure.Greg, you got me to thinking.Stainless steel case and bezel with stamped Accutron logo and turbine design on the case back.Blue open-work dial and silver-tone hands DNA: Silver-grey accent on the outer hour/minute ring.White hour and minute hands and orange second hand. Spaceview 2020: Smoke grey open-work dial with signature Accutron green accents and transparent outer ring.The energy, stored in an accumulator, powers two motors a world?s first electrostatic motor fueling the fluid second hand and a step motor powering the hour and minute hands. The electrostatic energy is created by twin turbines that rotate as a result of human motion at incredible speeds between two electrodes affixed to the movement.Accutron’s Proprietary Electrostatic Movement.The tuning fork is dead – long live the… electrostatic stepper motor? Tech Specs from Accutron We’ve linked to the individual collections up above, but you can also just head on over to and get your fix that way as well. Accutron announced itself to the world the other week with their new podcast ( covered here), and now they’ve made a giant electrostatic splash with these new watches. The case is a bit larger (see the specs below), but pricing has dropped a bit, coming down to $3,300 for the four versions in this collection. While the dial itself is still open-worked, the way they’ve used color here actually softens the impact a bit – in my book – and does freshen up the design. If, on the other hand, you’d prefer to see that design updated and reimagined a bit more, that’s where the Accutron DNA comes to bear. For this, you’ve got two versions – the standard (with a grey chapter ring) coming in at $3,450 and the 300-piece limited edition ( $4,000) with a green chapter ring. While the original was showing off the tuning fork, here, we’ve got that electrostatic movement taking pride of place. Just the 1960s version, the Accutron Spaceview 2020 has a bright green dial, plenty openworked to show off the movement held in. The first watch that the new movement is housed in is the Accutron Spaceview 2020. These two motors are synchronized, and are intended to provide accuracy at +/- 5 seconds per month. That energy then goes out to twin motors – one that powers the sweeping seconds hand, and another that powers the step motor driving the hour and minute hands. Rather than winding a mainspring, though, those rotors spin past electrodes, generating energy that’s stored in an accumulator. By that, I mean that it’s got two rotors that spin as a result of your movement. ![]() ![]() However, it does borrow a trick from your favorite automatic watch. Is the movement a mechanical? Well, no, not really. What IS a surprise is the movement that’s taking up home in the Bulova Spaceview 2020 and DNA. It shouldn’t be any surprise that the re-launched Accutron brand would go back to that design for inspiration. For Accutron (or Bulova, if that’s how your memory works that said, the brands are distinct now) the Spaceview of the 1960s was a revelation. ![]()
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