A rare and captivating Omega Seamaster Y-6042 “Jumbo” with the manually wound Calibre 285 movement and a stunning, dark gray dial. This model stands out with a solid 36mm stainless steel case – an uncommon and highly sought-after size among vintage Seamaster models. The dial is in excellent condition with sharp, applied indices, faceted hands, and it is extremely appealing to collectors. On May 2026 a full watchmaker service was completed. After service, the watch delivers on a timegrapher of +5 to +7 seconds per day, with power reserve of 52 hours. An exceptional opportunity for both experienced Omega collectors and enthusiasts seeking an impressive, classic dress watch with a distinctive character. Brand: Omega Model: Seamaster "Jumbo" Reference number: Y-6042 Serial number: 17575335 Movement: Omega Calibre 285, manual-wind Dial: Gray dial with applied silver indices and Omega logo; “Seamaster” inscription at 6 o’clock; faceted dauphine-style hands with a matching seconds hand Case size: 36 mm (excluding crown) Case material: Stainless steel Year of production: 1960 Condition: Very well-preserved vintage condition Dial and hands The dial appears in excellent condition, retaining its rare matte gray finish. Applied silver hour indices, logo, and minute cross provide excellent legibility and refined elegance. The original dauphine hands and central seconds hand show minimal oxidation and sharp edges, indicating delicate aging. Crystal and glass The stainless steel case has an impressive diameter of 36 mm (without crown) – especially important for this model and era. Lugs remain sharp with pronounced chamfers, and the case back engraving is clear. The crystal is clear with no major flaws. Movement Powered by the reliable and valued Omega Calibre 285 manual-wind movement. Serial number 17575335 precisely indicates production year 1960. Strap supplied on a high-quality black leather strap with contrasting white stitching and a standard buckle. Dimensions Case diameter: 36 mm (excluding crown) Lug-to-lug length: approx. 44 mm Strap width: 18 mm Notes A rarely seen Jumbo Seamaster with a gray dial and fantastic case proportions. This piece is rarely offered, especially in such an attractive and authentic condition. A true blend of vintage charm and modern wrist presence. Box is for photo shoot purpose. History The Omega Seamaster line debuted in 1948 and quickly became a symbol of reliability and timeless style. “Jumbo” models, such as this Y-6042, are particularly valued for their larger case sizes, which set them apart from the more popular Seamaster models of that era. The Calibre 285 movement is renowned for reliability and ease of maintenance, reinforcing this watch’s status as a favorite among vintage watch collectors for daily wear. Payment and Shipping Payment must be made within 1-3 days of purchase. The watch will be carefully packaged and shipped. Please review the photos carefully before placing a bid. As with all vintage watches, water resistance is not guaranteed. The watch will be delivered in fully functional condition. If you have any questions, feel free to contact me after the listing ends.