download zenith el primero chronomaster open heart

And while the 4061 functionally behaves exactly like the famed El Primero 400 caliber which made its debut in 1969, it was developed specifically to put as much of the high-beat ballet as possible in full view. That’s where the El Primero 4061 ‘Open’ caliber has an edge – this high-beat movement is actually quite a treat to watch front and back, as the 5Hz oscillation rate (10 beats per second) delivers an ultra-smooth sweep seconds hand, and an escapement that jumps back and forth at a truly frenetic pace. Hours and minutes in the centre.With most automatic movements, an open heart is a fun distraction, but the novelty isn’t usually long-lasting, as a traditional ETA 2824 or Valjoux 7750 starts to feel a little too familiar. Hands: Rhodium-plated, faceted and coated with SuperLuminova SLN C1īracelet & Buckle: Metal Bracelet with a double folding claspįunctions: 1/10th of a second chronograph functions. Hour markers: Rhodium-plated, faceted and coated with SuperLuminova SLN C1 Small seconds at 9 o’clock, Central chronograph hand that makes one turn in 10 seconds, 60-minute counter at 6 o’clock, 60-second counter at 3 o’clockįinishes: New star-shaped oscillating weight with satined finishingsĭial: Black matte with two different-coloured counters & a translucent polymer counter Stop-second mechanism.įunctions: 1/10th of a second chronograph functions. Opening revealing the legendary beating heart of the El Primero movement. Key points: Automatic El Primero column-wheel chronograph able to measure and display 1/10 thof a second.

Download zenith el primero chronomaster open heart