A ZENITH wristwatch - EL PRIMERO model 750/1000 gold case automatic chronograph, reference 18.2040.400/02.C494, case with movement caliber 400 nº294245 with calendar at 6:00 am, original leather bracelet and gold clasp Swiss 21st C. with case and documents, mechanism requiring maintenance Swiss warranty marks, Convention marks Dimensões (altura x comprimento x largura) - 4,2 cm