Spirit Flyback Chronograph Bicolor

From the retailer listing

The next generation of that pioneering aviation spirit The Longines Spirit collection has been expanded with a piece equipped with a flyback function. A new exclusive Longines calibre, resistant to magnetism and equipped with a silicon balance spring, drives this timepiece. Extremely precise, and with a power reserve of 68 hours, this movement is certified as a chronometer by COSC. A transparent case back reveals all the details of the calibre, including a personalised weight engraved with the globe representing the Longines Spirit collection and the name Longines Flyback. This new model is also distinguished by its two-tone crown & pushers, refined aesthetics and particularly meticulous finishes, which range between satin, matt, polished and engraved details. It features a bi-directional bezel enhanced by a ceramic insert with luminescent markers. The 42mm steel case has an interchangea