CHRONOMASTER OPEN | 39.50 mm | Automatic Case Diameter_39 mm and a railway minute track

and a railway minute track on the outer zone

The further development of the Captain Cook collection in high-tech ceramic is Rado’s DNA in its purest form

The seconds hand features a varnished red tip

the dial is printed with three distinctive timing scales in a 1940’s “snail” design

yellow agate

CHRONOMASTER OPEN | 39.50 mm | Automatic Case Diameter_39 mm and a railway minute trackThe CHRONOMASTER Open offers a view of the beating heart of the El Primero movement from the dial. Crafted in a sleek 39. 5mm steel case, this version features a matte silver dial with tricolour counters and a transparent counter for the running seconds, paired with a blue cordura effect rubber strap. Powered by the El Primero 3604 1 10th of a second automatic chronograph movement.