{"product_id":"omega-seamaster-300m-diver-summer-blue-210-30-42-20-03-003","title":"Omega Seamaster 300M Diver Summer Blue 210.30.42.20.03.003","description":"\u003cp\u003eThis 42 mm Seamaster Diver 300M has a case and bracelet in stainless steel. The ceramic dial, in OMEGA’s own Summer Blue, is PVD-treated and has a gradient finish to reflect the watch’s level of water resistance. It also includes the 300M’s famous wave pattern.\u003c\/p\u003e\n\u003cp\u003eA blue ceramic bezel with a Summer Blue enamel (Grand feu) diving scale encircles the dial, which has rhodium-plated skeleton hands and raised indexes, filled with a unique light blue Super-LumiNova.\u003c\/p\u003e\n\u003cp\u003eTurning the watch over reveals a stamped commemorative Seamaster logo depicting a trident-bearing Poseidon and two seahorses: OMEGA’s 1956 original and the brand’s current design. Behind which sits OMEGA’s Co-Axial Master Chronometer calibre 8800, certified at the industry’s highest level by the Swiss Federal Institute of Metrology (METAS).\u003c\/p\u003e\n\u003cp\u003eInformation:\u003c\/p\u003e\n\u003cp\u003eReference: 210.30.42.20.03.003\u003c\/p\u003e\n\u003cp\u003eMSRP: $7,100\u003c\/p\u003e\n\u003cp\u003eDated: 2023\u003c\/p\u003e\n\u003cp\u003eBracelet: Stainless Steel Bracelet and Omega Deployant Blue Rubber Strap\u003c\/p\u003e\n\u003cp\u003eCase Size: 42mm x 13.56mm Thickness x 49.90mm Lug to Lug\u003c\/p\u003e\n\u003cp\u003eLug Width: 20mm\u003c\/p\u003e\n\u003cp\u003eCase Metal: Stainless Steel\u003c\/p\u003e\n\u003cp\u003eMovement: \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eOMEGA Co-Axial Master Chronometer Calibre 8800 - \u003c\/span\u003eAutomatic - Serviced by Omega May 2026\u003c\/p\u003e\n\u003cp\u003eFunctions: Hours, Minutes, Seconds, Date\u003c\/p\u003e\n\u003cp\u003eBox and Papers: Inner\/outer boxes and warranty papers\u003c\/p\u003e\n\u003cp\u003eCrystal: Sapphire\u003c\/p\u003e\n\u003cp\u003eBracelet size: 7.75”\u003c\/p\u003e\n\u003cp\u003eCondition:\u003c\/p\u003e\n\u003cp\u003eCase has only one light mark on edge of lug. Bracelet has minimal micro wear. Dial and hands are in perfect shape. Crystal is free of wear. Serviced by Omega May 2026.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout Omega:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFounded in 1848 by Louis Brandt in Switzerland, Omega has grown into one of the most respected and innovative names in watchmaking. The brand’s early focus on precision earned it accolades at international observatories and competitions, setting the stage for decades of horological achievement. Omega became the official timekeeper for the Olympic Games in 1932, and in 1969, the Speedmaster Professional—nicknamed the \"Moonwatch\"—made history as the first watch worn on the lunar surface during NASA’s Apollo 11 mission. Omega’s innovations continued with the introduction of the Co-Axial escapement in the late 1990s, a groundbreaking movement that dramatically reduced friction and improved long-term accuracy.\u003c\/p\u003e\n\u003cp\u003eOmega’s lineup showcases a wide range of iconic models that reflect the brand’s legacy and versatility. The Seamaster, introduced in 1948, is a favorite among divers and famously worn by James Bond since 1995’s \u003cem\u003eGoldenEye\u003c\/em\u003e, blending technical capability with cinematic cool. The Speedmaster remains one of the most storied chronographs in existence, while the Constellation is known for its refined design and chronometric precision. The De Ville collection offers a more elegant, dress-focused aesthetic, often featuring high-end complications and meticulous finishing. Omega continues to lead with innovations like Master Chronometer certification, METAS testing, and antimagnetic technology—ensuring that its watches are not just beautiful, but built for the demands of modern life.\u003c\/p\u003e","brand":"Pre-Owned","offers":[{"title":"Default Title","offer_id":50305890451676,"sku":"260412","price":5600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/0214\/4926\/files\/OmegaSeamaster300MDiverSummerBlue210.30.42.20.03.003DSC03766.jpg?v=1779213807","url":"https:\/\/www.belmontwatches.com\/products\/omega-seamaster-300m-diver-summer-blue-210-30-42-20-03-003","provider":"Belmont Watches","version":"1.0","type":"link"}