Cornavin vintage AMF Patent diver´s wristwatch reference P 810

CORNAVIN Geneve AMF Patent very rare diving watch with decompression indicator reference , Switzerland around 1965, self winding, large two-piece-construction case, screwed-down case back & winding crown, neutral steel bracelet, black dial with digital hour & analog minute or second, copper coloured movement calibre Felsa 810, 17 jewels, screw- balance, diameter approx. 43 mm, winding has to be adjust, condition 2-3, Cornavin box later, property of a collector CORNAVIN Geneve AMF Patent sehr seltene Taucheruhr mit Dekompressionsanzeige Referenz , Schweiz um 1965, Automatik, großes 2-teil. Gehäuse, Boden & Krone verschr., neutr. Stahlband, schwarzes Zifferbl. m. digitaler Stunde & analog. Minute bzw. Sek., rotverg. Werk Kal. Felsa 810, 17 St., ., D. ca. 43 mm, Aufzug zu richten, Cornavin Box später, EZ 2-3, aus Sammlungsauflösung