Ernst Benz Chronoflite GMT in stainless steel on a black alligator strap. Auto w/ sweep seconds, date and dual time. 48 mm case size. Unused. Ref GC10522. Fine Unused Ernst Benz Watch. Unused Sport Ernst Benz Chronoflite GMT GC10522 watch is made out of Stainless steel on a Black Leather band with a Stainless Steel tang buckle. This Ernst Benz watch has a 48 x 48 mm case with a Round case back and White dial. It is Certified Pre-Owned watch and comes backed by our 12-month warranty. Each watch is inspected by our in-house watchmakers before shipment including final servicing, cleaning, and polishing, if needed.