Watch: Calotte Patrol in silverEBERHARD & CO. 925 silver. ø 35 mm. 44 grams. Hand-wound. Numbered: A 027. power duration 35-40 hours. 17 jewels. Water resistant to 30 meters. Over-case with screw cover, in the cover sealing ring. New edition of the first waterproof wristwatch in the world. White dial, blued steel hands, small seconds. Leather strap with pin buckle. Warranty certificate, instruction manual In short time test functional. Scratches on the back. The watch comes from an extensive collection estate. The watches have never or hardly been worn, they have not been moved over a long period of time. For function and accuracy we can not guarantee * Partner auction Bergmann. Provenance : estate of a private collection.