LONGINES "Lindbergh Hour Angle" ref L2.678.4. Wristwatch, round steel case, graduated bidirectional rotating bezel, two-tone white and beige dial, Roman and Arabic numerals, brown alligator strap, steel folding clasp, clip and skeleton back. Self-winding mechanical movement (unopened). Dial, back, movement, bracelet and buckle signed. Caseback n°1773 L2.678.4 3378468, movement n° L.699.2 and A07111 L01 ETA. Diameter: 47 mm Good condition, functional movement, minor scratches and dirt on the case, worn bracelet. All the watches were functionally tested at the time of writing and here the study gives an opinion (functional or not). However, the accuracy of the movements is not guaranteed, nor is the functioning of the watches after the sale. After purchasing a second-hand watch, it is always advisable to have it serviced. Expert: Mrs Françoise SERRU, expert for the Court of Appeal of Montpellier.