Orfina Porsche Design. Chronographe bracelet en acier et PVD noir avec jour et date mouvement automatique Orfina Porsche Design. A black PVD coated stainless steel automatic calendar chronograph wristwatch Circa 1970Orfina Porsche Design. Chronographe bracelet en acier et PVD noir avec jour et date mouvement automatiqueOrfina Porsche Design. A black PVD coated stainless steel automatic calendar chronograph wristwatch Date: Circa 1970Movement: 17-jewel Valjoux Cal.7750 automatic, unadjustedDial: Black, luminous baton hour markers, white outer 1/5th second divisions, raised outer tachymetre scale, subsidiary dials at 6, 9 and 12 for seconds, 30 minute and 12 hour recording, day and date apertures at 3, baton hands with luminous inserts, orange centre chronograph handCase: Black PVD coated tonneau form, screw down back, crown flanked by twin chronograph buttonsStrap/Bracelet: Green NATO strapBuckle/Clasp: Steel buckleSigned: Case, dial & movementSize: 39,5mmNone