Tudor Black Bay 58 Silver 925 - 39mm 79010SG 2022 [Preowned]Overview The Tudor Black Bay 58 "925," reference 79010SG, is a groundbreaking departure from traditional dive watch conventions, distinguished by its case crafted entirely from 925 sterling silver. Unveiled in 2021, this model utilizes a proprietary silver alloy that retains its brilliant, warm luster while resisting the heavy tarnishing typically associated with the metal. The 39mm case is entirely satin brushed, offering a unique, matte luminosity