Offered for auction is a vintage Omega De Ville Automatic, reference 551.103, dating from the 1970s, featuring a highly desirable mirror (lacquered) dial and a 20-micron gold-plated case. This model represents the elegant, minimalist design language for which the De Ville line became famous, combining refined proportions with reliable Swiss automatic mechanics. * Brand: Omega * Model: De Ville * Reference: 551.103 * Era: 1970s * Movement: Omega automatic (mechanical) * Dial: Original mirror dial! * Markers: Applied baton hour markers * Hands: Original gilt hands * Case: Gold plated, 20 microns * Case shape: Square / rectangular * Crown: original / signed * Crystal: Plexiglass (period correct) * Bracelet: Original Omega gold-tone mesh bracelet (fits the style and era; see photos) The highlight of this watch is the original mirror dial, highly reflective and elegant, a feature increasingly difficult to find in well-preserved condition. The dial is signed Omega and De Ville Automatic, with clean minimalist indices that perfectly match the refined case design. The case is gold plated with a thickness of 20 microns, clearly stamped inside the caseback. This is a higher-quality gold plating typical of Omega watches from this period, offering better durability and wear resistance than standard plating. Inside beats an original Omega automatic movement, correctly signed and consistent with the reference. The movement was running at the time of listing; however, no long-term accuracy test has been performed. CONDITION Dial: Original mirror dial, very attractive with light age-related signs visible under close inspection Case: Gold plating intact with expected surface wear consistent with age Crystal: Plexiglass with minor marks Movement: Running at time of listing Bracelet: Good vintage condition Please study the photos carefully, as they form an integral part of the description. Square Omega De Ville models with mirror dials are becoming increasingly sought after. The combination of: original lacquered dial elegant De Ville design and solid 20-micron gold plating makes this a highly wearable vintage Omega, suitable both for collectors and for refined everyday use. All items featured in our auctions, including this Omega De Ville Automatic, are sourced directly from our private collection at OldMoneyWatches. We are dedicated collectors with a passion for rare and authentic timepieces. Bid with complete confidence — you are purchasing from a trusted seller with top-rated reviews, guaranteed authenticity, and careful, secure shipping.