D-Day is here and with it the chance to become the proud owner of an El Primero Striking 10th chronograph, the world’s first calibre with ultra-accurate 1/10th of a second measurement and display, in Zenith’s EL PRIMERO STRIKING 10th Challenge! Accessed through Zenith’s Facebook page (Facebook – Zenith Watches, http://www.facebook.com/zenithwatches), the place to keep track of the brand’s latest news, this new game invites players to start the chronometer and stop it at a tenth of a second – allowing only 3/10ths of a second error margin.

The player starts the chronograph: the tension rises, the time appears – and the chrono must be stopped. Players continue to the next level at each check point until a mistake is made. The world champion will be the person to achieve the highest score.

The EL PRIMERO STRIKING 10th CHALLENGE will be hosted via a mini website as well as available on Facebook Connect. Players will be able to challenge Facebook friends by posting scores on their wall after each game.

Unequalled to date, the legendary El Primero calibre was the world’s first automatic chronograph to beat at a rate of 10 vibrations per second. It is the most sophisticated mechanical ‘motor’ and the one with the highest degree of precision. The heart of the El Primero beats at a rate of 36,000 vibrations per hour, or 864,000 a day and 315,360,000 beats annually...

Don’t forget to check out the EL Primero Striking 10th video on our Facebook page.__
Great achievements require great precision. Can you take us on?