The Eberhard & Co. Chrono 4 '21-42' (Ref. 31073.CN-CP) is a mechanical automatic chronograph featuring the brand's patented design with four aligned counters displaying minutes, hours, 24 hours, and small seconds. It has a 42mm stainless steel case, a domed sapphire crystal with anti-reflective treatment, and a black dial with four white counters. The watch includes a ceramic bezel, a screw-in crown with a ceramic pyramid relief, and is water-resistant up to 50 meters. It comes with a black alligator leather strap and a personalized steel buckle, with an optional DÉCLIC® deployant clasp. (eberhard-co-watches.ch)