The Zenith Chronomaster Open is a modern Swiss chronograph that showcases the iconic high‑frequency El Primero movement through an open‑worked dial. With its partial dial cut‑out revealing the beating heart of the calibre and a bold, sporty design, it blends technical sophistication with distinctive aesthetics.
Technical Specifications
Movement
- Calibre: El Primero automatic chronograph
- Frequency: 36,000 vibrations per hour (5 Hz)
- Power Reserve: Approx. 60 hours
Functions
- Hours and minutes displayed centrally
- Small seconds at 9 o’clock
- Date display
- Chronograph:
- Central chronograph seconds hand
- 60‑minute counter
- 60‑second counter
Case & Dial
- Material: Stainless steel
- Diameter: Typically ~39.5–41 mm (varies by reference)
- Water Resistance: 10 ATM (100 m)
- Dial: Open‑worked dial revealing movement
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.
