This listing is for a Zenith Pilot Type 20 Extra Special Chronograph Bronze, featuring a 45mm bronze case with natural patina development and a matte black dial.
The Zenith Type 20 Chronograph Extra Special features a 45mm Bronze case with Automatic movement and Caliber 4069 El Primero. It has a Chronograph function, Water Resistant to 100M, and comes on a Green Oily Nubuck strap.