PORSCHE DESIGN chronograph, self winding, Switzerland around 2010, reference 6612.14, partial blackened aluminum-/titanium case including bracelet with butterfly buckle, on both sides sapphire glazed, screwed-down case back & winding crown, display of hours, minutes, small second, date & chronograph, tachometer graduation on the inner bezel, central rotor, 37 jewels, base calibre ETA 2894-2, flat rim balance, flat hairspring, incablock shock-absorber, blued screws, diameter approx. 42 mm, length approx. 18,5 cm, signs of use due to age, condition 2