Zenith did it!

 

CHRONOMASTER SPORT

Automatic El Primero column-wheel chronograph able to measure and display 1/10th of a second 1/10th of a second indication on the ceramic bezel Increased power reserve of 60 hours Date indication at 4:30 Stop-second mechanism

Ref 03.3100.3600/21.M3100

CA$13,000.00