1970s Longines Ultronic Chronograph. ・ ・ ・ This is our customer's Ultronic, I overhauled it. ・ ・ ・ #BulovaAccutron Licensed watch @AccutronDoctor... | By Accutron Doctor アキュトロンドクター | Facebook
LONGINES ""FLAGSHIP ULTRONIC"" - orologio da uomo - oro giallo 750 / pelle - forcella vocale EUR 2.040,00 - PicClick IT
WTS] 1970s Longines Ultronic Chronograph Cal. L749.2 - Only Tuning Fork Chronograph Movement Ever Made (Box & Papers) | $1,550 : r/Watchexchange