The CHRONOMASTER Open offers a view of the beating heart of the El Primero movement from the dial. Crafted in a sleek 39.5mm steel case, this version features a matte black dial with tricolour counters and a transparent counter for the running seconds, paired with an integrated steel bracelet. Powered by the El Primero 3604 1/10th of a second automatic chronograph movement.
Technical Features:
Movement:
- Movement: El Primero
- Components: 269
- Frequency: 36,000 VpH (5 Hz)
- Power reserve: approx. 60 hours
Functions:
- Hours and minutes in the centre
- Small seconds at 9 o'clock
- 1/10th of a second Chronograph:
- Central chronograph hand that makes one turn in 10 seconds
- 60-minute counter at 6 o'clock
- 60-second counter at 3 o'clock
Case:
- Material: Stainless steel
- Diameter: 39.50
- Water resistance: 10 ATM
- Dial: Black matte with two different-coloured counters & an Hesalite counter
Every Zenith timepiece comes with an international warranty that covers any potential manufacturing flaws for a two year period as of the date of purchase. This warranty can be extended for an additional three years by registering your timepiece on the zenith watches website.
