Description
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.
Limited Edition Big Bang Tourbillon Samuel Ross Automatic Men's Watch 428.Nx.0100.Rx.Sra22 44mm 
Rolex Cosmograph Daytona 40 mm Platinum Ref# 116506-0001