{"product_id":"tudor-black-bay-58-39mm-7939a1a0nu","title":"Tudor Black Bay 58 39mm 7939A1A0NU","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThe new-generation Black Bay 58 carried forward the 39mm case and slim profile that made the original BB58 the most wearable piece in the Black Bay family — and upgraded the movement specification to a standard that few watches at this price point reach. The \u003cstrong\u003e7939A1A0NU\u003c\/strong\u003e is the three-link bracelet configuration of that update, the BB58 in its most tool-watch-oriented form. The Calibre MT5400-U holds both COSC and METAS certification simultaneously — a combination uncommon below the Omega price tier, where METAS originated.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThe case is 39mm stainless steel at 11.7mm thick — the slim profile that distinguishes the BB58 from the BB41 and makes it the more versatile dimension in the Black Bay range. The unidirectional rotating bezel carries a matte black anodized aluminum insert; the matte black dial runs a reduced-text layout with snowflake hands carrying Chromalight fill. The three-link Oyster-style bracelet is the standard BB58 configuration — it keeps the watch in tool-watch territory without the dressed character the five-link bracelet introduces. No date.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eThe Calibre MT5400-U is Tudor's upgraded in-house automatic, carrying COSC certification (±4 seconds per day under standard conditions) alongside METAS Master Chronometer certification — the more demanding standard that additionally requires anti-magnetic resistance to 15,000 gauss and accuracy between 0 and +5 seconds per day on the wrist. The combination of both certifications on a single movement is unusual at this price point. Power reserve is 65 hours with a bidirectional rotor; water resistance is 200 metres via screw-down crown.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cem\u003eWithin the BB58 range, the choice between three-link and five-link bracelet determines the watch's character more than any other variable: the three-link keeps the BB58 as a tool watch, the five-link moves it toward a professional-casual crossover. Against the Burgundy and Navy Blue configurations in the same bracelet format, the black dial 7939A1A0NU is the most neutrally positioned — it carries the dual-certification advantage without a colour story that limits context. We see the MT5400-U upgrade as what completes the BB58's value proposition: COSC and METAS dual certification at this price level sits below what comparable anti-magnetic, dual-certified movements cost from any other manufacture. Brand new, unworn, complete with box and papers dated May 2026, at RM17,300..\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eTudor\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Name :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eBlack Bay 58\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReference :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e7939A1A0NU\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eStainless Steel\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMovement :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eTudor Calibre MT5400-U, 65 Hours Power Reserve, Automatic, COSC \u0026amp; METAS Certified\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Diameter :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e39mm\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBracelet \/ Strap :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003eStainless Steel\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeatures :\u003c\/td\u003e\n\u003ctd\u003e\u003cem\u003e200m depth rating, Unidirectional bezel, Anti-magnetic to 15,000 gauss\u003c\/em\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eCondition\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBrand New, Unworn Condition, Complete Original Set with Box and Papers dated May 2026.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eWarranty\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e5 year original manufacturer warranty.\u003c\/em\u003e\u003c\/p\u003e","brand":"Tudor","offers":[{"title":"Default Title","offer_id":45055350112371,"sku":null,"price":17300.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0162\/6927\/9296\/files\/Tudor_Black_Bay_58_Bracelet_7939A1A0NU_Oyster.png?v=1780053879","url":"https:\/\/swisswatch.com.my\/products\/tudor-black-bay-58-39mm-7939a1a0nu","provider":"Swiss Connection Watches ","version":"1.0","type":"link"}