Amongst the usual suspects of case materials for a dive watch (steel, gold, bronze), our dear BB58 is also available in silver. Today, though, The Spec https://www.crwhorloges.cz/best-category/ballon-de-cartier/ Sheet is taking a swing at the steel version. Originally offered in black, the Black Bay 58 eventually came along with a https://www.crworologi.co/ Blue specification, completing https://www.cuhren.de/produkt-Sammlungen/ballon-de-cartier/ the reference to the Marine Nationale of old, both black and blue.