Ernst Benz Chronolunar in stainless steel on a black leather strap. Auto w/ subseconds, date, day, month, moonphase and chronograph. 44 mm case size. Unused. Ref GC40386. Fine Unused Ernst Benz Watch. Unused Sport Ernst Benz Chronolunar GC40386 watch is made out of Stainless steel on a Black Leather band with a Stainless Steel tang buckle. This Ernst Benz watch has a 44 x 44 mm case with a Round case back and Black Arabic Numeral 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.