{"product_id":"marinemaster-300-sla021-full-set-2021","title":"Marinemaster 300 SLA021 – Full Set (2021)","description":"\u003carticle class=\"text-token-text-primary w-full\" dir=\"auto\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto py-5 [--thread-content-margin:--spacing(4)] @[37rem]:[--thread-content-margin:--spacing(6)] @[72rem]:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:32rem] @[34rem]:[--thread-content-max-width:40rem] @[64rem]:[--thread-content-max-width:48rem] mx-auto flex max-w-(--thread-content-max-width) flex-1 text-base gap-4 md:gap-5 lg:gap-6 group\/turn-messages focus-visible:outline-hidden\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"relative flex-col gap-1 md:gap-3\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"b8432a09-ae12-43c2-98a4-4621c9299ff4\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark\"\u003e\n\u003cp data-start=\"53\" data-end=\"259\"\u003eA robust and professional-grade diver’s watch, the Seiko Marinemaster 300 SLA021 combines iconic design with serious underwater capability—favored by enthusiasts for its monobloc case and in-house movement.\u003c\/p\u003e\n\u003cp data-start=\"261\" data-end=\"273\"\u003e\u003cstrong data-start=\"261\" data-end=\"273\"\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"275\" data-end=\"651\"\u003e\n\u003cli data-start=\"275\" data-end=\"300\"\u003e\n\u003cp data-start=\"277\" data-end=\"300\"\u003e\u003cstrong data-start=\"277\" data-end=\"291\"\u003eReference:\u003c\/strong\u003e SLA021\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"301\" data-end=\"319\"\u003e\n\u003cp data-start=\"303\" data-end=\"319\"\u003e\u003cstrong data-start=\"303\" data-end=\"312\"\u003eYear:\u003c\/strong\u003e 2021\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"320\" data-end=\"386\"\u003e\n\u003cp data-start=\"322\" data-end=\"386\"\u003e\u003cstrong data-start=\"322\" data-end=\"336\"\u003eCase Size:\u003c\/strong\u003e 44.3mm, stainless steel (monobloc construction)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"387\" data-end=\"439\"\u003e\n\u003cp data-start=\"389\" data-end=\"439\"\u003e\u003cstrong data-start=\"389\" data-end=\"399\"\u003eBezel:\u003c\/strong\u003e Unidirectional rotating ceramic bezel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"440\" data-end=\"499\"\u003e\n\u003cp data-start=\"442\" data-end=\"499\"\u003e\u003cstrong data-start=\"442\" data-end=\"451\"\u003eDial:\u003c\/strong\u003e Glossy black with LumiBrite markers and hands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"500\" data-end=\"570\"\u003e\n\u003cp data-start=\"502\" data-end=\"570\"\u003e\u003cstrong data-start=\"502\" data-end=\"515\"\u003eMovement:\u003c\/strong\u003e Seiko Caliber 8L35, automatic, 50-hour power reserve\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"571\" data-end=\"651\"\u003e\n\u003cp data-start=\"573\" data-end=\"651\"\u003e\u003cstrong data-start=\"573\" data-end=\"586\"\u003eBracelet:\u003c\/strong\u003e Stainless steel bracelet with secure clasp and diver extension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"653\" data-end=\"670\"\u003e\u003cstrong data-start=\"653\" data-end=\"670\"\u003eSet Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"672\" data-end=\"799\"\u003e\n\u003cli data-start=\"672\" data-end=\"706\"\u003e\n\u003cp data-start=\"674\" data-end=\"706\"\u003eOriginal inner and outer boxes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"707\" data-end=\"737\"\u003e\n\u003cp data-start=\"709\" data-end=\"737\"\u003eWarranty card (dated 2021)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"760\"\u003e\n\u003cp data-start=\"740\" data-end=\"760\"\u003eInstruction manual\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"761\" data-end=\"799\"\u003e\n\u003cp data-start=\"763\" data-end=\"799\"\u003eAdditional Seiko rubber dive strap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"801\" data-end=\"815\"\u003e\u003cstrong data-start=\"801\" data-end=\"815\"\u003eCondition:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"817\" data-end=\"1050\"\u003e\n\u003cli data-start=\"817\" data-end=\"873\"\u003e\n\u003cp data-start=\"819\" data-end=\"873\"\u003eCase in very good condition with minor signs of wear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"874\" data-end=\"918\"\u003e\n\u003cp data-start=\"876\" data-end=\"918\"\u003eBezel and crystal clean and scratch-free\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"919\" data-end=\"992\"\u003e\n\u003cp data-start=\"921\" data-end=\"992\"\u003eBracelet shows visible surface wear and light scuffs from regular use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"993\" data-end=\"1050\"\u003e\n\u003cp data-start=\"995\" data-end=\"1050\"\u003eRunning accurately, all functions operating perfectly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1052\" data-end=\"1258\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe SLA021 stands out in Seiko’s Prospex lineup with its high-end finishing, ceramic bezel, and the in-house 8L35 movement—offering the precision and durability expected from a true professional dive watch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":53233978835267,"sku":null,"price":0.0,"currency_code":"SEK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/3559\/9939\/files\/seiko-marinemaster-300-sla021-full-set-2021-1171043294.jpg?v=1748878917","url":"https:\/\/storiesoftime.com\/sv\/products\/marinemaster-300-sla021-full-set-2021","provider":"Stories of time ","version":"1.0","type":"link"}