{"product_id":"vintage-watch-seiko-6309-7040-turtle-export-matte-black-dial","title":"Vintage Watch | Seiko 6309-7040 Turtle (1981 - Export Version)","description":"\u003ch2\u003e\u003cspan style=\"color: rgb(255, 128, 0);\"\u003e\u003cstrong\u003eSeiko 6309-7040 Turtle: May 1981 Export Cushion Diver (Fully Serviced)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eSeiko 6309-7040 Turtle\u003c\/strong\u003e is \u003cstrong\u003efully serviced by our watchmaker in Japan\u003c\/strong\u003e, with all functions working perfectly — the export cushion-case diver with a matte black dial, Roman\/English day-date, an \u003cstrong\u003eamazing Hardlex crystal\u003c\/strong\u003e, and honest tool-watch wear on the case and bezel. Caseback \u003cstrong\u003e6309-7040\u003c\/strong\u003e, serial \u003cstrong\u003e153963\u003c\/strong\u003e (\u003cstrong\u003eMay 1981\u003c\/strong\u003e). Ships on an \u003cstrong\u003eaftermarket Seiko rubber strap\u003c\/strong\u003e as photographed.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSeiko 6309 Turtle — the export sibling of the 6306\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFrom 1976 Seiko’s Turtle line split by market. The \u003cstrong\u003e6306\u003c\/strong\u003e stayed JDM: Calibre \u003cstrong\u003e6306A\u003c\/strong\u003e (typically 21 jewels, hacking) with the bilingual \u003cstrong\u003eKanji\/English\u003c\/strong\u003e day wheel. The \u003cstrong\u003e6309\u003c\/strong\u003e is the \u003cstrong\u003eexport\u003c\/strong\u003e counterpart — same iconic cushion case and 150 m diver DNA, but Calibre \u003cstrong\u003e6309A\u003c\/strong\u003e (17 jewels, non-hacking) with a day disc built for overseas markets. This example shows a \u003cstrong\u003eRoman \/ English\u003c\/strong\u003e day wheel at three, not Kanji. Same Turtle silhouette the modern Prospex line still echoes.\u003c\/p\u003e\n\u003c!-- MID_IMG_1: after gallery upload, replace src with CDN URL of Seiko_6309_7040_9.jpg (_600x600). alt = exact filename. --\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/Seiko_6309_7040_9_600x600.jpg?v=1793982187\" alt=\"Seiko_6309_7040_9.jpg\" width=\"600\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eThis Seiko 6309-7040 (May 1981 · matte black)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003ePublished size: \u003cstrong\u003e45 mm\u003c\/strong\u003e across, \u003cstrong\u003e48 mm\u003c\/strong\u003e lug-to-lug, \u003cstrong\u003e13 mm\u003c\/strong\u003e thick, \u003cstrong\u003e22 mm\u003c\/strong\u003e between the lugs. Dial code: \u003cstrong\u003eJAPAN 6309-704L T\u003c\/strong\u003e with Suwa mark; orange-toned \u003cstrong\u003eWATER 150m RESIST\u003c\/strong\u003e; oversized lume plots and Turtle diver hands with matching creamy patina. Screw-down crown at four; tsunami-wave screw-back. Original black bezel insert with heavy honest ghosting — tool history, not a refinished face. Ships on an \u003cstrong\u003eaftermarket Seiko rubber strap\u003c\/strong\u003e with SEIKO-stamped buckle as photographed — no strap pairing on this listing.\u003c\/p\u003e\n\u003c!-- MID_IMG_2: replace with CDN of Seiko_6309_7040_18.jpg (wrist POV). alt = exact filename. --\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/Seiko_6309_7040_18_600x600.jpg?v=1793982187\" alt=\"Seiko_6309_7040_18.jpg\" width=\"600\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003e\u003cstrong\u003eSeiko 6309-7040 condition \u0026amp; what you receive\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA strong everyday Turtle. The stainless cushion case shows only \u003cstrong\u003eminor usage marks\u003c\/strong\u003e — hairlines and soft tool wear, geometry retained. The \u003cstrong\u003ecrystal is in amazing condition\u003c\/strong\u003e, so the matte black dial stays sharp. The bezel insert carries authentic ghosting and flea-bites; overall good for a decades-old tool diver. It has been \u003cstrong\u003efully serviced by our watchmaker in Japan\u003c\/strong\u003e, and all functions are working perfectly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRead more about vintage Seiko divers (incl. the Turtle)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWant the longer story of Seiko’s diver line — including how the 6306\/6309 Turtle sits beside the 6105 and Silverwave? We wrote it up on the blog.\u003c\/p\u003e\n\u003cp style=\"margin: 20px 0;\"\u003e\u003ca href=\"https:\/\/thesamuraivintage.com\/blogs\/news\/the-complete-guide-to-vintage-seiko-diver-watches-a-collectors-journey\" title=\"Complete Guide to Vintage Seiko Diver Watches\" style=\"display: inline-block; background-color: #ff8000; color: #ffffff; text-decoration: none; font-weight: bold; padding: 12px 22px; border-radius: 4px;\"\u003eRead the Vintage Seiko Diver Guide\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff8000;\"\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaker:\u003c\/strong\u003e Seiko (Suwa · export Turtle)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Seiko 6309-7040 Turtle (cushion case · dial code 6309-704L T)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEra:\u003c\/strong\u003e 1981 May (caseback serial 153963)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Diameter:\u003c\/strong\u003e 45 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLug to Lug:\u003c\/strong\u003e 48 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThickness:\u003c\/strong\u003e 13 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLug Width:\u003c\/strong\u003e 22 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Condition:\u003c\/strong\u003e Minor usage marks · original cushion geometry retained · screw-down crown at 4 · tsunami screw-back\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDial Condition:\u003c\/strong\u003e Matte black · aged creamy lume · orange WATER 150m RESIST · Roman\/English day-date · Suwa mark\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrystal:\u003c\/strong\u003e Amazing condition Hardlex\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBezel:\u003c\/strong\u003e Original black insert with honest ghosting \/ flea-bites\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Cal. 6309A automatic (17 jewels, 21,600 bph, day-date, non-hacking) — fully serviced by our watchmaker in Japan; all functions working perfectly\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStrap \/ Accessories:\u003c\/strong\u003e Aftermarket Seiko rubber strap · SEIKO \/ ST. STEEL-F buckle (as photographed)\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: #ff8000;\"\u003eA May 1981 export 6309-7040 Turtle — matte black dial, Roman\/English day, amazing crystal, minor case marks with honest bezel wear, and a full service by our watchmaker in Japan.\u003c\/span\u003e\u003c\/p\u003e\n","brand":"Seiko","offers":[{"title":"Default Title","offer_id":52319148474614,"sku":null,"price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7639\/5913\/files\/Seiko_6309_7040_1.jpg?v=1793982187","url":"https:\/\/thesamuraivintage.com\/products\/vintage-watch-seiko-6309-7040-turtle-export-matte-black-dial","provider":"Samurai Vintage Co.","version":"1.0","type":"link"}