Rare Longines Ultronic Chronograph TV Case - Cal. L749.2 (ESA 9210) - 1974 For sale: rare vintage Longines Ultronic Chronograph from 1974 (movement serial 52.024.447). A true piece of horological history featuring Tuning Fork technology. This watch houses the legendary Longines L749.2 caliber (base ESA 9210), the same movement found in the Omega Speedsonic. It is the only tuning fork movement ever made with an integrated mechanical chronograph module. Technical Specifications: • Case Reference: 2368-2 (Stainless steel "TV Screen" case). • Movement: Electronic Tuning Fork, caliber L749.2. • Dial: Original black dial in excellent condition, applied markers, Italian day/date wheels. • Bracelet: Original integrated Longines stainless steel bracelet. • Condition: The watch is NOT WORKING and is sold as-is for parts or restoration project. • Notes: Top chronograph pusher (start/stop) is missing. Surface scratches on case and crystal due to age.