A Week On The Wrist: The Breitling Superocean Héritage II

One of the most interesting aspects of the Superocean Héritage is what’s under the hood – in this case, the Breitling caliber B20. This is sort of an in-house movement, and sort of not; it’s based on the Tudor caliber MT5612, which was first introduced by Tudor in the Pelagos. There are some differences between the MT5612, as used by Tudor, and the B20 – for one thing, the B20 has somewhat more traditional finishing than MT5612, which has an almost modernist look, with bead-blasted bridges rather than the Geneva stripes used in the Breitling version. The other major difference is that the B20 doesn’t have a silicon balance spring, which means less resistance to magnetic fields. However, a lot of the value of the movement is still there. The B20 is, like the caliber MT5612, a tough movement designed for hard use, with a balance bridge (providing somewhat better protection against shock) and a freesprung, adjustable mass balance – and, of course, a 70 hour power reserve.

Cara Roux

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