The Tudor Heritage Black Bay GMT was introduced at BaselWorld 2018. It features a stainless steel case with revolving 'Pepsi' bezel in aluminum, and is powered by the in-house caliber MT5652.Reference M79830RB-0001 is fitted with a stainless steel strap.Reference M79830RB-0002 is fitted with a leather strap.Reference M79830RB-0003 is fitted with a fabric strap.