Pioneering movements deserve to stand out in inspired and unprecedented designs to truly highlight their ingenuity.
The new CHRONOMASTER Open exposes the beating heart of its El Primero 1/10th of a second chronograph calibre in a novel and unexpected way, while retaining the signature tricolour counters dial configuration.
El Primero 3604
Frequency: 36,000 VpH (5Hz), Power Reserve: approx. 60 hours
Domed Sapphire with anti-reflective treatment on both sides
Analogue / Black matte with two different-coloured counters & an Hesalite counter
Bracelet / Metal Bracelet / Silver
Hours, Minutes, Small Seconds at 9 o'clock, 1/10th of a second chronograph: Central chronograph hand that makes one turn in 10 seconds, 60-minute counter at 6 o'clock, 60-second counter at 3 o'clock
Tansparent Case Back