2007 marked the introduction of the revamped Fifty Fathoms line for Blancpain.The ‘FF’ in reference 5015D-1140-52B is housed in a generous 45mm stainless steel case and powered by caliber 1315, which is shielded by an amagnetic cage. The bezel is sapphire. This version has a rich blue guilloche dial and matching bezel. It is fitted with a stainless steel bracelet.
