Defy El Primero Openworked Black Ceramic

• Case: ceramised aluminum
• Size: 44mm
• Movement: automatic manufacture El Primero 9004
• Function: chronograph power reserve, chronograph can measure 1/100th of a second
• Power Reserve: approximately 50 hours
• Water Resistance: 100m
• Dial: openworked
• Caseback: sapphire crystal
• Hands: luminous hands and markers
• Strap/Bracelet: alligator leather with black rubber lining
• Factory Warranty: two years

The acknowledged champion of high-frequency chronographs, thanks to its fabled El Primero movement, Zenith shifts up to ultra-high accuracy with the Defy El Primero 21. From tenths to hundredths of a second, a quantum leap in terms of performance and engineering.