The characteristic features of the Heritage Black Bay Dark model centre on the 41 mm wide steel case, finished with a black PVD-treated (Physical Vapour Deposition) coating. Directly derived from the technology originally developed by NASA for its various space programmes, PVD or physical vapour deposition enables practically any inorganic material to be bonded with metals. The Heritage Black Bay Dark has an entirely satin finish, giving it the appearance of black military utility equipment.
With a choice of black PVD-treated steel bracelet or an aged leather strap with a black PVD-treated steel folding clasp, each Heritage Black Bay Dark model is also supplied with an extra grey fabric strap.
A high-performance MT 5602 calibre of excellent precision and proven robustness, it offers a 70-hour power reserve.