The ZF Factory Blancpain Fifty Fathoms “Heart of the Ocean” Limited Edition features a 40mm case made of 316L stainless steel, processed with a satin-brushed finish. The overall craftsmanship is impeccable, and its luminous effect is the strongest in the market. Equipped with a sapphire crystal and a customized Dandong 1151 movement, it comes with a nautical canvas strap.