750 yellow gold (18K) Savonette pocket watch. Limited edition of 499 pieces (number 458) produced by Mainz Geneve to commemorate the Jubilee of 2000. Three exclusive guarantees: First, a certificate of authenticity issued by the Central Committee of the Great Jubilee of the Year 2000, secured by a hologram reproducing the logo of the Great Jubilee of 2000 and granted exclusively to licensed companies, and two warranty certificates signed by Mainz and the Gemmological Analysis Laboratory attesting to its authenticity, production run, the metal fineness, the carat weight of the gemstones, and the high technical quality. Weight of the 18-karat gold chain: 13.25 grams; Weight of the watch without the chain: 123 grams