N.O.S. Longines Ultronic Tuning Fork - original Longines strap & buckle

All N.O.S. and never used Longines Ultronic. Perfect sun burst on case top and absolute flawless conditions. Comes on factory original leathers strap with Longines stamp and ultra rare Longines buckle with Jet Logo. Strap IS still in soft conditions and ready for use.