{"id":69996,"date":"2026-07-01T09:40:23","date_gmt":"2026-07-01T07:40:23","guid":{"rendered":"https:\/\/ora24.gr\/?post_type=product&p=69996"},"modified":"2026-07-01T14:41:30","modified_gmt":"2026-07-01T12:41:30","slug":"prospex-marinemaster-1968-sla079j1-heritage-diver-300m-automatic-date-42-5mm-black-dial-full-set","status":"publish","type":"product","link":"https:\/\/ora24.gr\/el\/product\/prospex-marinemaster-1968-sla079j1-heritage-diver-300m-automatic-date-42-5mm-black-dial-full-set\/","title":{"rendered":"Prospex Marinemaster 1968 SLA079J1 Heritage Diver 300M Automatic Date 42.5mm Black Dial Full Set"},"content":{"rendered":"
\u00a0 The Seiko Prospex Marinemaster 1968 Heritage Diver SLA079J1<\/a><\/span><\/strong> is a premium, professional-tier tool watch that reinterprets Seiko\u2019s iconic high-beat dive watch from 1968. Considered a major evolution in the modern Marinemaster lineup, it offers significantly more wearable proportions and an upgraded, serviceable case design compared to the massive \"MM300\" models of the past.<\/pre>\n
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  • \n
    Case Profile<\/strong>: It features a 42.6mm case diameter<\/strong> and a slimmed-down 13.4mm thickness<\/strong>. Coupled with a 49.3mm lug-to-lug distance, it contours comfortably to the wrist while retaining its heavy-duty dive identity.<\/span>\u00a0<\/pre>\n<\/li>\n
  • \n
    Dial & Bezel<\/strong>: A matte black dial with a grainy, sand-like texture provides contrast against oversized hour markers and sword-style hands. It features a matching, subtle date window between 4 and 5 o'clock. The unidirectional 120-click rotating bezel features an inky, deep black lacquered steel insert.<\/span>\u00a0<\/pre>\n<\/li>\n
  • \n
    The Movement<\/strong>: Inside is the high-tier In-House Caliber 8L35<\/strong> automatic movement. Hand-assembled at Seiko\u2019s prestigious Shizukuishi Watch Studio alongside Grand Seiko movements, it beats at 28,800 vph, utilizes 26 jewels, and delivers a 50-hour power reserve<\/strong>.<\/span>\u00a0<\/pre>\n<\/li>\n
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    Durability & Lume<\/strong>: Built out of stainless steel with a super-hard coating, it boasts a 300-meter (30 bar) water resistance<\/strong> rating. A double-domed sapphire crystal with an inner anti-reflective coating protects the dial. The hands, markers, and bezel pip are heavily coated in long-lasting LumiBrite<\/strong>.<\/span><\/pre>\n<\/li>\n
  • \n\n\n\n\n\n\n\n\n\n\n\n
    \n
    Feature\u00a0<\/pre>\n<\/th>\n
    		\n
    Specification<\/pre>\n<\/th>\n
    		\n
    Source<\/pre>\n<\/th>\n
    <\/tr>\n
    \n
    Reference<\/strong><\/pre>\n<\/td>\n
    		\n
    SLA079J1 \/ SLA079 (SBDX065 in Japan)<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Case Dimensions<\/strong><\/pre>\n<\/td>\n
    		\n
    42.6mm Width x 13.4mm Thickness x 49.3mm Lug-to-Lug<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Material<\/strong><\/pre>\n<\/td>\n
    		\n
    Stainless Steel with super-hard coating<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Water Resistance<\/strong><\/pre>\n<\/td>\n
    		\n
    300m \/ 1000ft (ISO Diver's)<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Movement<\/strong><\/pre>\n<\/td>\n
    		\n
    Seiko Caliber 8L35 (Automatic, Hacking, Hand-winding)<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Accuracy<\/strong><\/pre>\n<\/td>\n
    		\n
    +15 \/ -10 seconds per day<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Crystal<\/strong><\/pre>\n<\/td>\n
    		\n
    Dual-curved sapphire with inner anti-reflective coating<\/pre>\n<\/td>\n
    		\n
    <\/pre>\n<\/td>\n
    <\/tr>\n
    \n
    Bracelet<\/strong><\/pre>\n<\/td>\n
    		\n
    Five-link steel, fold-over clasp with diver extension, 20mm lug width<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    \u00a0 The Seiko Prospex Marinemaster 1968 Heritage Diver SLA079J1 is a premium, professional-tier tool watch that reinterprets Seiko\u2019s iconic high-beat dive watch from 1968. Considered a major evolution in the modern Marinemaster lineup, it offers significantly more wearable proportions and an upgraded, serviceable case design compared to the massive “MM300” models of the past. Case […]<\/p>\n","protected":false},"featured_media":70009,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_cat":[4571,1158,2510],"product_tag":[1197],"class_list":{"0":"post-69996","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-men","7":"product_cat-our-watches","8":"product_cat-seiko","9":"product_tag-homepage","10":"pa_box-papers-box-papers-and-1-year-warranty","11":"pa_bracelet-stainless-steel","12":"pa_bracelet-cauchuck","13":"pa_brand-seiko","14":"pa_case-stainless-steel","15":"pa_condition-excellent","16":"pa_dial-black","17":"pa_diameter-42-5mm","18":"pa_functions-date","19":"pa_movement-automatic","20":"pa_reference-number-sla079j1","21":"pa_year-2-535","23":"first","24":"instock","25":"shipping-taxable","26":"purchasable","27":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/product\/69996"}],"collection":[{"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/comments?post=69996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/media\/70009"}],"wp:attachment":[{"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/media?parent=69996"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/product_cat?post=69996"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ora24.gr\/el\/wp-json\/wp\/v2\/product_tag?post=69996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}