Tudor Black Bay, Polished Steel Matte Blue Bezel Diver 41MM Watch 79230BDESCRIPTION The 79230B Black Bay timepiece from Tudor is the reincarnation of their iconic Submariner design and pays homage in design while employing the new in house movements. The 79230B comes in a polished and satin finished steel case that is 41mm in diameter with a screw down winding crown, a domed sapphire crystal and a solid case back. It comes with a unidirectional steel bezel with a matte blue anodized aluminum disc insert and is the perfect