The Longines Spirit Flyback is a 42 mm-diameter, with flyback function, shaded matt brown dial, features a cap, crown and pushers in 18-carat rose gold, water-resistant up to 10 bar (100 metres) and powered by the exclusive Longines chronometer-certified by the COSC with a power reserve of up to 68 hours.This piece comes on an interchangeable green leather strap fitted with a micro-adjusting folding clasp.