Longines Ultronic cali.6312 (163212)

Product Details
The Longines Ultronic, powered by the Calibre 6312 tuning fork movement, represents a significant innovation in horological history. Introduced in the early 1970s, this timepiece features a stainless steel case measuring approximately 35mm in diameter and 11mm in thickness, offering a substantial yet comfortable presence on the wrist. The watch showcases a sunburst silver dial with applied hour markers and a date window at the 3 o'clock position, protected by a domed crystal. The Ultronic symbol is prominently displayed at the 6 o'clock position, underscoring its unique movement technology. ​

Movement and Innovation
At the heart of the Ultronic is the Longines Calibre 6312, derived from the ESA 9162 tuning fork movement operating at a frequency of 300Hz. Developed in collaboration with Max Hetzel, the inventor of the Bulova Accutron, this movement was part of the Swiss watch industry's response to the quartz revolution, offering remarkable accuracy and a smooth sweeping seconds hand. ​

Historical Significance
The Ultronic series embodies Longines' commitment to technological advancement during a pivotal era in watchmaking. By integrating the tuning fork technology, Longines positioned itself at the forefront of electronic watch innovation, providing a blend of traditional craftsmanship and modern precision.​

Condition and Maintenance
As with all vintage timepieces, the Longines Ultronic may exhibit signs of wear consistent with its age. Potential issues could include damaged coils or index wheels, common in tuning fork movements. Regular servicing by a qualified watchmaker experienced with tuning fork mechanisms is essential to maintain its functionality and preserve its value. ​

Collectibility
The Longines Ultronic Calibre 6312 holds a special place among collectors, reflecting a unique period in watchmaking history where electronic innovation intersected with traditional design. Its distinctive movement and classic aesthetic make it a sought-after piece for enthusiasts of vintage horology.​

Please note: All items have been inspected for authenticity. As second-hand pieces, they may show signs of wear. When purchasing vintage products, buyers should recognize that the item is likely to require careful maintenance to preserve its condition.

DISCLAIMER: Guarantee, please be aware this watch is classified as a vintage watch and there are no guarantees or warranty offered with this watch.