GUINAND rare chronograph, self winding, Germany around 2018, made in a limited special edition of 102 pieces, stainless steel case including original leather strap with original buckle, on both sides glazed, screwed-down case back & winding crown, display of hours, minutes, constant second, date & chronograph, 27 jewels, central rotor, base calibre ETA 7750, flat rim balance, flat hairspring, incablock shock-absorber, diameter approx. 40 mm, original box, condition 1-2, property of a collector