Tudor MT5400

The Tudor MT5400 is an automatic caliber with a bidirectional rotor, an analog display, 27 jewels, a power reserve of 70 hours and a frequency of 28,800 vph (4 Hz), made in Switzerland. It measures 30.3 mm in diameter and 5 mm in height. Its features include sweep seconds, hacking seconds and silicon hairspring. It belongs to the MT54xx caliber family. It launched in 2021. It is in production. It is an in-house caliber of Tudor.