high-grade Heuer Split Second Pocket chronograph Rattrapante Chronographe-Compteur Classique, perfect working movement, caliber Valjoux 76 R with the famous "Geneva stripes" on the movement. only very high quality watches get these "Geneva stripes" one of the most complicate Heuer Vintage chronographs Dial: White, black Arabic numerals, black outer 1/5th second divisions, subsidiary dials at 6 and 12 for constant seconds and 30 minute recording, blued steel arrow tipped hands, centre split second hands stainless steel case, hinged back, start/stop/reset in the stem, split second button at 11, No.126806, 57 mm diameter without the crown Case, dial & movement signed with "HEUER" and "Ed.Heuer & Co." its very hard to find in the vintage watch market insured shipping.