Untitled design 2021 11 29 T120643 792

Spirit of Big Bang Titanium Blue Ceramic 42mm


The HUB4700 caliber is the successor to the famous El Primero caliber - the first chronograph with an integrated style automatic winding (1969), which was also the first mechanical chronograph equipped with a 5 Hz frequency (36’000 alt/h) allowing an accuracy of 1/10th of a second. In a perfect fusion between tradition and innovation, this entirely skeletonized movement is now equipped with silicon regulating elements ensuring avant-garde performances, precision, and reliability.

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