{"product_id":"case-723-omega-seamaster-professional-blue-wave-on-steel-ref-210030422003001","title":"Case #723 — Omega Seamaster Diver 300M “Blue Wave” Ref. 210.30.42.20.03.001","description":"\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cstrong\u003eCase #723 — Omega Seamaster Diver 300M “Blue Wave”\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eRef. 210.30.42.20.03.001\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-pm-slice=\"1 1 []\"\u003e\u003cspan\u003eStatus: Available\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Excellent Pre-Owned\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eScope: Box, Papers, and Cards\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCase Notes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFew modern Omega watches are as immediately recognizable as the blue Seamaster Diver 300M.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe 42 mm stainless-steel case is paired with a polished blue ceramic dial cut with Omega’s laser-engraved wave pattern, a matching blue ceramic dive bezel, skeletonized hands, and the familiar helium escape valve at 10 o’clock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is the color combination most closely associated with the modern Seamaster family, but the current generation brings significantly more underneath the familiar design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInside is Omega’s Co-Axial Master Chronometer Calibre 8800, an automatic movement with approximately 55 hours of power reserve and METAS certification.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis example dates from 2025 and presents in Excellent Pre-Owned condition. It includes its Box, Papers, and Cards and is currently sized for approximately a 7¾-inch wrist.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBecause it dates from 2025, it retains substantial coverage under Omega’s five-year international factory warranty, subject to the exact warranty-card activation date and Omega warranty terms.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Evidence\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReference: 210.30.42.20.03.001\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eModel: Seamaster Diver 300M\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eYear: 2025\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCase: Stainless Steel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCase Diameter: 42 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eLug Width: 20 mm\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eDial: Polished Blue Ceramic with Laser-Engraved Wave Pattern\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCrystal: Domed Sapphire with Anti-Reflective Treatment\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBezel: Blue Ceramic, Unidirectional, with White Enamel Diving Scale\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCrown: Screw-Down\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHelium Escape Valve: Yes\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCaseback: Sapphire Exhibition\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMovement: Omega Co-Axial Master Chronometer Calibre 8800\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMovement Type: Automatic\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCertification: METAS Master Chronometer\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFrequency: 25,200 VPH\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eJewels: 35\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003ePower Reserve: Approximately 55 Hours\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFunctions: Hours, Minutes, Central Seconds, Date\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWater Resistance: 300 meters \/ 1,000 feet\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBracelet: Stainless Steel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eBracelet Fit: Approximately 7¾-inch Wrist\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Excellent Pre-Owned\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eFactory Warranty: Remaining Omega Five-Year Factory Warranty, Subject to Exact Card Date\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIncluded: Box, Papers, and Cards\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCollector Provenance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Seamaster Diver 300M has been part of Omega’s core sports-watch identity since 1993.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue version is the configuration most closely tied to that history, carrying forward the color palette that helped make the collection one of Omega’s most recognizable modern watches.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe current generation returned the wave motif to the dial while moving the watch fully into Omega’s ceramic and Master Chronometer era.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThat combination gives the reference a useful balance: instantly familiar visually, but thoroughly modern mechanically.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesign Provenance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue ceramic dial is the centerpiece.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts laser-engraved waves change dramatically with the light, becoming subtle at some angles and sharply defined at others.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe matching blue ceramic bezel keeps the color continuous around the case, while the skeletonized hands and applied markers preserve the look that has defined the Seamaster Diver 300M for decades.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe steel bracelet gives the watch enough visual weight to balance the 42 mm case and makes it the most traditional configuration of the current blue Seamaster.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTechnical Provenance\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOmega’s Calibre 8800 is a METAS-certified Master Chronometer movement built around the Co-Axial escapement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt provides approximately 55 hours of power reserve and is designed for strong resistance to magnetic fields encountered in everyday environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe movement is visible through the sapphire exhibition caseback.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe surrounding watch is equally capable, with a screw-down crown, helium escape valve, sapphire crystal, ceramic dive bezel, and 300 meters of water resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom the Case File\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis is the modern Seamaster in its signature configuration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue ceramic dial and bezel give the watch unmistakable visual identity, while the 42 mm steel case and bracelet keep it firmly in professional sports-watch territory.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCase 723 dates from 2025 and presents in Excellent Pre-Owned condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt includes its Box, Papers, and Cards and is currently sized for approximately a 7¾-inch wrist.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe recent date also means substantial Omega factory warranty coverage remains, subject to the exact card activation date.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBuy with Confidence\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBST guarantees the authenticity of every watch we sell and provides a 30-day mechanical performance guarantee under normal use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAccuracy may vary with age and service history, and water resistance is not guaranteed unless specifically stated and pressure-tested.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBST Verdict\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe definitive modern blue Seamaster.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe blue ceramic wave dial, matching ceramic bezel, steel bracelet, Calibre 8800, METAS certification, and 300-meter capability combine the visual identity that made the Diver 300M famous with Omega’s current movement technology.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCase 723 adds a 2025 date, Excellent condition, complete BPC presentation, and substantial remaining factory warranty to one of the strongest all-purpose sports watches in Omega’s current lineup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEvery case deserves a closer look.\u003c\/span\u003e\u003c\/p\u003e","brand":"Baker Street Timepieces","offers":[{"title":"Default Title","offer_id":58652835021103,"sku":null,"price":4150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/5359\/5439\/files\/BST_7078.jpg?v=1792017015","url":"https:\/\/bakerstreettimepieces.com\/products\/case-723-omega-seamaster-professional-blue-wave-on-steel-ref-210030422003001","provider":"Baker Street Timepieces","version":"1.0","type":"link"}