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As with all Defy Extreme models, the El Primero caliber orchestrates the data. This self-winding movement produces at a minimum 50 hours of power reserve. A contemporary adaptation of the legendary 1969 mechanism, it is notable for its two escapements. One with a frequency of 5Hz for the time information, the other one used to measure the time to 1/100th of a second beating at 360,000 vibrations per hour.

The Defy Extreme E thDesert X Prix th is a limited edition of only 20 timepieces. Should you not be an owner of this timepiece, a specific series will be unveiled at each race.