{"product_id":"case-344-omega-seamaster-professional-300m-blue-ref-210-32-42-20-03-001","title":"Case #344 — Omega Seamaster Professional 300M Blue Ref. 210.32.42.20.03.001","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-69be9a63-4e8c-8329-8858-5af09b87dd47-6\" data-testid=\"conversation-turn-42\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"7e3b56c0-596c-40df-aa90-ed58317e6e8b\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-4-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003ch1 data-section-id=\"1keswqq\" data-start=\"175\" data-end=\"256\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"177\" data-end=\"256\"\u003eCase #344 — Omega Seamaster Professional 300M Blue Ref. 210.32.42.20.03.001\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp data-start=\"258\" data-end=\"367\"\u003e\u003cstrong data-start=\"258\" data-end=\"269\"\u003eStatus:\u003c\/strong\u003e Active Investigation\u003cbr data-start=\"290\" data-end=\"293\"\u003e\u003cstrong data-start=\"293\" data-end=\"307\"\u003eCondition:\u003c\/strong\u003e Excellent Pre-Owned\u003cbr data-start=\"327\" data-end=\"330\"\u003e\u003cstrong data-start=\"330\" data-end=\"340\"\u003eScope:\u003c\/strong\u003e Full Kit\u003cbr data-start=\"349\" data-end=\"352\"\u003e\u003cstrong data-start=\"352\" data-end=\"361\"\u003eYear:\u003c\/strong\u003e 2025\u003c\/p\u003e\n\u003ch2 data-section-id=\"1xxz1s1\" data-start=\"369\" data-end=\"389\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"372\" data-end=\"389\"\u003e🔎 Case Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"390\" data-end=\"935\"\u003eThe Omega Seamaster Professional 300M Blue Ref. 210.32.42.20.03.001 is one of the strongest modern configurations in the Seamaster line — pairing the collection’s signature wave dial and ceramic bezel with a blue rubber strap that gives the watch a more contemporary, sport-driven feel. At 42mm, it wears with the confident presence expected of the modern Seamaster 300M, while still remaining versatile enough for daily use. Omega lists this reference as a 42mm steel Seamaster Diver 300M on rubber strap. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"937\" data-end=\"1481\"\u003eWhat makes this reference especially appealing is the way Omega updated a familiar classic without losing the core identity of the watch. You still get the helium escape valve, ceramic bezel, wave-pattern blue ceramic dial, and strong dive-watch architecture, but the rubber strap configuration gives it a slightly cleaner, more modern look than the bracelet version. Omega specifies the model with the Co-Axial Master Chronometer Calibre 8800, a 55-hour power reserve, and 300 meters of water resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1483\" data-end=\"1705\"\u003eThis example dates to 2025 and is presented in excellent pre-owned condition. Overall, it shows only light wear consistent with careful use. The case and rubber strap present very well overall. It comes as a \u003cstrong data-start=\"1691\" data-end=\"1703\"\u003efull kit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2 data-section-id=\"153bhp\" data-start=\"1707\" data-end=\"1730\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1710\" data-end=\"1730\"\u003e🕰️ The Evidence\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1731\" data-end=\"2233\"\u003e\u003cstrong data-start=\"1731\" data-end=\"1745\"\u003eReference:\u003c\/strong\u003e 210.32.42.20.03.001\u003cbr data-start=\"1765\" data-end=\"1768\"\u003e\u003cstrong data-start=\"1768\" data-end=\"1778\"\u003eModel:\u003c\/strong\u003e Omega Seamaster Professional 300M Blue\u003cbr data-start=\"1817\" data-end=\"1820\"\u003e\u003cstrong data-start=\"1820\" data-end=\"1829\"\u003eCase:\u003c\/strong\u003e Stainless Steel\u003cbr data-start=\"1845\" data-end=\"1848\"\u003e\u003cstrong data-start=\"1848\" data-end=\"1862\"\u003eCase Size:\u003c\/strong\u003e 42 mm\u003cbr data-start=\"1868\" data-end=\"1871\"\u003e\u003cstrong data-start=\"1871\" data-end=\"1881\"\u003eBezel:\u003c\/strong\u003e Blue Ceramic Dive Bezel\u003cbr data-start=\"1905\" data-end=\"1908\"\u003e\u003cstrong data-start=\"1908\" data-end=\"1920\"\u003eCrystal:\u003c\/strong\u003e Sapphire\u003cbr data-start=\"1929\" data-end=\"1932\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1941\"\u003eDial:\u003c\/strong\u003e Blue Ceramic Wave Dial\u003cbr data-start=\"1964\" data-end=\"1967\"\u003e\u003cstrong data-start=\"1967\" data-end=\"1980\"\u003eMovement:\u003c\/strong\u003e Omega Co-Axial Master Chronometer Calibre 8800 Automatic\u003cbr data-start=\"2037\" data-end=\"2040\"\u003e\u003cstrong data-start=\"2040\" data-end=\"2061\"\u003eBracelet \/ Strap:\u003c\/strong\u003e Blue Rubber Strap\u003cbr data-start=\"2079\" data-end=\"2082\"\u003e\u003cstrong data-start=\"2082\" data-end=\"2101\"\u003eClasp \/ Buckle:\u003c\/strong\u003e Tang \/ Pin Buckle\u003cbr data-start=\"2119\" data-end=\"2122\"\u003e\u003cstrong data-start=\"2122\" data-end=\"2143\"\u003eWater Resistance:\u003c\/strong\u003e 300 m\u003cbr data-start=\"2149\" data-end=\"2152\"\u003e\u003cstrong data-start=\"2152\" data-end=\"2161\"\u003eYear:\u003c\/strong\u003e 2025\u003cbr data-start=\"2166\" data-end=\"2169\"\u003e\u003cstrong data-start=\"2169\" data-end=\"2185\" data-is-only-node=\"\"\u003eAccessories:\u003c\/strong\u003e Full Kit \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2235\" data-end=\"2387\"\u003e\u003cstrong data-start=\"2235\" data-end=\"2255\"\u003eCondition Notes:\u003c\/strong\u003e Excellent pre-owned condition overall, with only light wear consistent with careful use. Case and strap present very well overall.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1th4ds9\" data-start=\"2389\" data-end=\"2414\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2392\" data-end=\"2414\"\u003e🌊 Diving Heritage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2415\" data-end=\"2898\"\u003eThe modern Seamaster Diver 300M builds on one of Omega’s most recognizable sports-watch platforms, carrying forward the design language that has defined the collection for decades while bringing in more contemporary materials and movement technology. In this generation, the use of ceramic for both the dial and bezel gives the watch a sharper, more technical feel than earlier versions, while the overall profile remains unmistakably Seamaster. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2900\" data-end=\"3277\"\u003eThat balance is a large part of the watch’s appeal. It still feels like a true dive watch, with serious water resistance and a robust case design, but it is refined enough to work well beyond that role. On rubber, this version leans a little more modern and a little more athletic, which suits the blue ceramic execution especially well. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"olqnr0\" data-start=\"3279\" data-end=\"3309\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3282\" data-end=\"3309\"\u003e🌟 Collector Provenance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3310\" data-end=\"3725\"\u003eThe Seamaster Professional 300M remains one of the most widely recognized and most consistently desirable modern Omega sports watches because it offers a strong blend of heritage, functionality, and everyday wearability. The blue-on-rubber configuration has particular appeal for buyers who want the full Seamaster experience in a slightly cleaner, more contemporary package. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3727\" data-end=\"3989\"\u003eThis example also benefits from being a \u003cstrong data-start=\"3767\" data-end=\"3779\"\u003efull kit\u003c\/strong\u003e, which remains the strongest overall presentation for most buyers. With a 2025 date and clean overall condition, it presents as a particularly attractive example of one of Omega’s core modern dive references.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1i62gsk\" data-start=\"3991\" data-end=\"4021\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3994\" data-end=\"4021\"\u003e🌟 Celebrity Provenance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4022\" data-end=\"4351\"\u003eThe Seamaster family has long held a prominent place in modern watch culture, and the Diver 300M remains one of Omega’s most visible and recognizable sport-watch lines. Its appeal comes from the rare combination of real technical credibility, familiar design, and broad everyday usability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"1m0aqgo\" data-start=\"4353\" data-end=\"4381\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4356\" data-end=\"4381\"\u003e🧾 From the Case File\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4382\" data-end=\"4563\"\u003e“Recovered as a 2025 Omega Seamaster Professional 300 (Blue) Ref. 210.32.42.20.03.001. Full kit. Excellent pre-owned condition overall with light wear consistent with careful use.”\u003c\/p\u003e\n\u003ch2 data-section-id=\"1tceir8\" data-start=\"4565\" data-end=\"4587\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"4568\" data-end=\"4587\"\u003e🗝️ BST Verdict\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"4588\" data-end=\"4914\"\u003eCase #344 delivers one of Omega’s strongest modern sports-watch references in a sharp blue-on-rubber configuration. With its full kit, current-generation movement, ceramic execution, and strong overall presentation, this is a very attractive example of the Seamaster Professional 300M. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4916\" data-end=\"4957\"\u003e👉 \u003cstrong data-start=\"4919\" data-end=\"4957\"\u003eEvery case deserves a closer look.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Baker Street Timepieces","offers":[{"title":"Default Title","offer_id":56581001117999,"sku":null,"price":3950.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/5359\/5439\/files\/41FE3DB1-47AF-4014-9C35-F54E8B46409E.jpg?v=1775933871","url":"https:\/\/bakerstreettimepieces.com\/products\/case-344-omega-seamaster-professional-300m-blue-ref-210-32-42-20-03-001","provider":"Baker Street Timepieces","version":"1.0","type":"link"}