The 20019 / 20020 / 20021 / 20022 / 20027 / 20028 are part of the chronograph series launched by the Dutch Van der Gang brand. The designs are clean yet feature thoughtful details, like the special font and the oversized crown. The Van der Gang cases are said to be hardened using a special technique and filled with nitrogen. Both the 20019, the 20021 and the 20027 have a date display, a chronograph function and small seconds display in the classical "Eisenbahn" style.This specific model has a stainless steel case with a black dial and is fitted on an alligator leather strap.