DEFY El Primero 21 Chronograph 44mm Brushed-Titanium, Alligator and Rubber Watch, Ref. No. 95.9002.9004/78.R584

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Editor's Notes

When Zenith stopped creating mechanical movements back in the '70s, one of the watchmakers, Mr Charles Vermot, secretly stored the machinery, tools and detailed instructions in the company's attic - he single-handedly preserved the iconic El Primero movement, which is still the world's most accurate series-produced chronograph. This automatic 'DEFY' reference has been manufactured in Switzerland with a sleek brushed-titanium case and skeletonised dial that reveals the intricate inner workings. In addition, it features a mechanism that counts up to 1/100th of a second, as well as two escapements – one for the chronograph, the other for the watch itself. The Super-LumiNova®-coated hands and markers ensure readability at all hours, while the rubber-backed blue alligator strap makes it comfortable to wear.

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Details & Care


  • Swiss-made El Primero 9004 calibre 14 1/2" automatic movement with 50-hour power reserve
  • 53 jewels, 36,000 Vph
  • Oscillating weight


  • Hour, minute and second hands
  • Chronograph: small seconds, 1/100th second, 60-second and 30-minute counters
  • Power reserve indicator


  • Skeleton dial
  • Super-LumiNova®-coated rhodium-plated hands and markers


  • Brushed-titanium case
  • Crown for time adjustments and manual winding
  • Sapphire crystal lens
  • Exhibition case back
  • Clasp-fastening rubber-backed blue alligator strap


  • Case diameter: 44mm case thickness: 14.5mm strap width: 22mm
  • COSC-certified chronometer
  • Water resistance: 10 bar
  • Comes in a presentation case
  • Alligator: USA
  • Reference number: 95.9002.9004/78.R584
  • Made in Switzerland
Product Code 666467151982123

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