Vintage / Longines Ultrachron Ref. 8429

Longines Ultrachron reference 8429, produced circa 1970, in a 37 mm stainless-steel case. Its refurbished black dial features applied baton indexes and a date aperture at 3 o’clock, paired with a calf leather strap.Inside is Longines automatic calibre 431, a 17-jewel high-frequency movement beating at 36,000 vibrations per hour, with centre seconds and date. An EVW service certificate is included.