{"product_id":"seiko-turtle-6309-7040-orologio-sub-diver-automatico-150m-nero-vintage-suwa-1979","title":"Seiko Turtle 6309-7040 Vintage 150m Automatic Diver's Watch Black Suwa 1979","description":"\u003cp\u003eSEIKO TURTLE 6309-7040 — 150M AUTOMATIC DIVER — MAY 1979\u003c\/p\u003e\n\u003cp\u003eFirst series Turtle, with SUWA dial. Three independent elements\u003cbr\u003econfirm that the dial and case are original:\u003c\/p\u003e\n\u003cp\u003e- Serial number 954370 on the caseback → May 1979 (verifiable Seiko coding)\u003cbr\u003e- SUWA mark on the dial → produced only until 1980\u003cbr\u003e- Dial code 6309-704L → matches the case reference\u003c\/p\u003e\n\u003cp\u003eFor the 6309, this is what matters most: many are found reassembled\u003cbr\u003ewith replaced or refinished dials. Here, everything adds up.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eSPECIFICATIONS\u003c\/p\u003e\n\u003cp\u003e44 mm cushion steel case (excluding crown), 13 mm thickness, 22 mm lugs\u003cbr\u003eScrew-down crown at 4 o'clock, screw-down caseback, Hardlex crystal\u003cbr\u003eOriginal black dial, oxidized lume turned to cream\u003cbr\u003eDay and date at 3 o'clock, both quickset\u003cbr\u003eUnidirectional rotating bezel, aluminum insert\u003cbr\u003eSeiko 6309A automatic caliber, 17 jewels, 21,600 vph, power reserve ~47 hours\u003c\/p\u003e\n\u003cp\u003eLike all 6309s, it has no manual winding or hacking seconds: this is the\u003cbr\u003enormal operation of the caliber, not a defect.\u003c\/p\u003e\n\u003cp\u003eChecked in our workshop before listing. In working order.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eCONDITION — WE TELL IT LIKE IT IS\u003c\/p\u003e\n\u003cp\u003eForty-six years of history, and it shows:\u003cbr\u003ecase with signs of use and widespread scratches, faded bezel insert,\u003cbr\u003eoxidized lume. Non-original brown leather strap, in used condition\u003cbr\u003e(22 mm lugs: can be changed in an instant). No box or papers.\u003c\/p\u003e\n\u003cp\u003eThis is not a restored piece and it doesn't try to look like one. It is an honest,\u003cbr\u003eoriginal, wearable Turtle.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eGOOD TO KNOW BEFORE BUYING\u003c\/p\u003e\n\u003cp\u003eAccuracy: on a mechanical watch from 1979 that has not been recently serviced, timekeeping\u003cbr\u003emay deviate from the original specs. Normal for a vintage piece.\u003c\/p\u003e\n\u003cp\u003eWater resistance: the 150 meters is the factory rating from 1979. At\u003cbr\u003ethis age, gaskets and seals cannot be verified or guaranteed.\u003cbr\u003eDO NOT submerge, do not get wet.\u003c\/p\u003e\n\u003cp\u003eDo you want it serviced by our workshop, or with a rubber strap\u003cbr\u003einstead of the leather one? Write to us via eBay BEFORE purchasing: we will prepare\u003cbr\u003ea dedicated listing with everything already included in the price.\u003c\/p\u003e\n\u003cp\u003eThe photographs are of the actual watch, not stock photos, and are part\u003cbr\u003eof the description.\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":58764775031168,"sku":null,"price":700.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/1264\/1408\/files\/Immagine_Codex_24_ago_2026_17_32_17.png?v=1787585903","url":"https:\/\/gioielleriahistory.com\/en\/products\/seiko-turtle-6309-7040-orologio-sub-diver-automatico-150m-nero-vintage-suwa-1979","provider":"Gioielleria History ","version":"1.0","type":"link"}