Zenith caliber El Primero 3600 SK

Frequency: 36’000 VpH – 5Hz Power reserve: approx. 60 hours Functions: Hours and minutes in the center, 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. Finishes: Black colored main plate on movement, Special black colored