{"product_id":"tudor-black-bay-sailcloth-fkm-rubber-strap-deployant-clasp","title":"Tudor Black Bay Sailcloth FKM Rubber Strap with Deployant Clasp - Black","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBlack on Black Bay. The default pairing and the one that works on every Tudor reference without exception.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFKM rubber with a sailcloth-embossed texture on the top surface and a brushed stainless steel deployant clasp pre-fitted. The black colourway disappears against the Black Bay's dark dial and bezel, letting the watch do the talking while the strap handles the daily work. On the BB58 with gilt indices, the black sailcloth frames the warm dial tones without competing. On the BB41 or GMT with silver accents, the black creates clean contrast. On the Pelagos, it matches the tool watch intent. Black is the colourway that never clashes and never dates.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe sailcloth texture catches light differently to smooth rubber. In direct sun, the embossed weave pattern creates subtle depth across the surface. Under artificial light, it reads as matte black. That shift between textured and flat depending on the light is what makes sailcloth more interesting on the wrist than plain rubber, without the maintenance issues of genuine fabric.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe deployant clasp folds shut in one motion. Once sized, the watch goes on and comes off with a single click. No threading. No fumbling. The clasp distributes pressure evenly across the wrist and protects the strap from the daily stress that pin buckles cause at the hole point.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eComplementary clasp engraving available. Up to three characters, laser engraved into the stainless steel for a permanent, precise finish.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eSailcloth-effect texture with the performance of FKM rubber\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWater-resistant, flexible, and built for all-day comfort\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBrushed stainless steel deployant clasp, pre-fitted\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAvailable in 20mm and 22mm lug widths\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eComplementary clasp engraving up to 3 characters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eTudor Compatibility Guide:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e20mm:\u003c\/strong\u003e Black Bay 58 (ref. 79030, 79010), Black Bay 58 GMT, Black Bay 54 (ref. 79000), Black Bay 68 (ref. 79018), Black Bay Pro (ref. 79470), Ranger (ref. 79950), Monarch (ref. M2639)\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003e22mm:\u003c\/strong\u003e Black Bay 41 (ref. 79680, 79683), Black Bay GMT 41 (ref. 79830, 79833), Black Bay Chrono (ref. 79360, 79363), Black Bay Ceramic, Pelagos 42 (ref. 25600, 25610)\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eThis strap does not fit:\u003c\/strong\u003e The Pelagos 39 uses 21mm, which is not available in this strap. The original Black Bay Bronze (ref. M79250) uses a non-standard 23mm lug width and is not compatible. The BB58 Bronze (ref. 79012) uses 20mm and fits.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eImportant: Tudor has introduced 21mm lug width on selected newer Black Bay 41 METAS-certified references (2025 onward).\u003c\/strong\u003e The standard BB41 (ref. 79680, 79683) remains 22mm. If you own a 2025 or later BB41, measure between the inner edges of both lugs to confirm whether your watch is 21mm or 22mm before ordering.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eUse our on-page strap checker to confirm your exact reference before ordering.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhat's included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e1x FKM sailcloth-effect rubber strap (Black)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e1x Stainless steel deployant clasp (pre-fitted)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eQuick release\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWatch not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eLooking for a different colourway? \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"\/products\/tudor-black-bay-sailcloth-fkm-rubber-strap-deployant-clasp-20mm-21mm-22mm\"\u003eView all 7 colours →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"\/collections\/tudor-watch-straps\"\u003eAll Tudor Straps →\u003c\/a\u003e | \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"\/products\/tudor-black-bay-calfskin-leather-strap-morellato\"\u003eTudor Calfskin Leather →\u003c\/a\u003e | \u003ca class=\"underline underline underline-offset-2 decoration-1 decoration-current\/40 hover:decoration-current focus:decoration-current\" href=\"\/products\/fabric-strap-for-tudor-watch\"\u003eTudor NATO Fabric →\u003c\/a\u003e\u003c\/p\u003e","brand":"MGB WATCHES","offers":[{"title":"Black \/ 20mm","offer_id":56963085566327,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true},{"title":"Black \/ 22mm","offer_id":56963085697399,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/6429\/5966\/files\/tudor_deployant_strap_lifestyle_black_832d8417-ce70-4b22-ab24-e30fdf65217e.jpg?v=1775216813","url":"https:\/\/mgbwatches.com\/products\/tudor-black-bay-sailcloth-fkm-rubber-strap-deployant-clasp","provider":"MGB WATCHES","version":"1.0","type":"link"}