ROAMER chronograph, self winding, Switzerland around 2010, reference 711775, stainless steel case including bracelet with butterfly buckle, on both sides glazed, screwed down case back, bezel with engraved tachometer graduation, display of hours, minutes, constant second, day, date & chronograph, 25 jewels, calibre ETA 7750. diameter approx. 42 mm, length approx. 21 cm, neutral box enclosed, condition 1-2