The high-frequency El Primero 21 1/100th chronograph in a 44mm matte titanium DEFY case, paired with a blue and black rubber strap. Its automatic movement finished in blue tones features two independent high-frequency escapements beating at 50Hz for the chronograph function and 5Hz for timekeeping.

Movement
Movement: El Primero
Components: 293
Frequency: 36,000 VpH (5 Hz)
Power reserve: approx. 50 hours

Functions
Hours and minutes in the centre
Small seconds at 9 o'clock
1/100th of a second Chronograph:
- Central chronograph hand that makes one turn each second
- 30-minute counter at 3 o'clock
- 60-second counter at 6 o'clock
- Chronograph power-reserve indication at 12 o'clock

Case
Material: Microblasted titanium
Diameter: 44.00
Water resistance: 10 ATM
Dial: Openworked

Reference
97.9001.9004/81.R946