{"product_id":"rolex-submariner-date-1680-mk6-red-40mm-1974-watch","title":"Rolex Submariner Date 1680 MK6 'Red' 40mm 1974","description":"\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eRolex Submariner Date 1680 MK6 'Red' 40mm 1974\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe stainless steel case remains in very good vintage condition, showing strong proportions with little to no wear visible. Lugs retain good definition, and factory finishing is still evident. The bezel is clean and well-preserved, with minimal surface marks from use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFitted to the watch is a 93150 Oyster bracelet, also in good condition. Links display light wear with only minor stretch, entirely consistent with age, and the clasp remains tight and functional.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe MK6 matte dial presents in very good condition, with clear text and evenly aged tritium plots. Hands are in equally good condition, matching the dial well with intact luminous fill. The overall dial and handset retain a crisp, attractive vintage appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe watch has a Rolex service estimate from 2025. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis is a well-preserved example of the Submariner Date reference 1680 from the early 1970s — clean case lines, a strong original bracelet, and a well-preserved dial and handset combined with recent servicing make it an excellent representation of this historically significant model.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eWitschi WAIO Test Results Summary\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTested on the \u003c\/span\u003e\u003cspan\u003eRolex Submariner Date 1680 40mm (1974)\u003c\/span\u003e\u003cspan\u003e, the movement was evaluated using the Witschi WAIO timegrapher across \u003c\/span\u003e\u003cspan\u003efour positions\u003c\/span\u003e\u003cspan\u003e to assess real-world timekeeping performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe watch recorded an \u003c\/span\u003e\u003cspan\u003eaverage daily rate of -2.2 seconds per day\u003c\/span\u003e\u003cspan\u003e, demonstrating very stable regulation for a vintage mechanical movement of this era. \u003c\/span\u003e\u003cspan\u003eBeat error measured 0.2 ms\u003c\/span\u003e\u003cspan\u003e, indicating strong balance alignment and efficient power transfer through the escapement. \u003c\/span\u003e\u003cspan\u003eAmplitude averaged 250 degrees\u003c\/span\u003e\u003cspan\u003e, reflecting healthy mainspring torque and consistent energy delivery across the gear train.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eIn addition to the timing analysis, the watch has \u003c\/span\u003e\u003cspan\u003esuccessfully passed a 5 BAR pressure test\u003c\/span\u003e\u003cspan\u003e, confirming the integrity of the case seals and overall case structure at the time of testing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eOverall, the results indicate a \u003c\/span\u003e\u003cspan\u003emechanically sound and well-performing movement\u003c\/span\u003e\u003cspan\u003e, with stable rate performance, healthy amplitude, and confirmed case integrity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Crown Vintage","offers":[{"title":"Default Title","offer_id":52916224786711,"sku":"ROLEX-SUB-DATE-1680-RED-MK6-40MM-1974-WATCH","price":28000.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/8670\/3383\/files\/Rolex-Submariner-Date-1680-MK6-Red-40mm-1974-1.jpg?v=1772702705","url":"https:\/\/crownvintage.com.au\/products\/rolex-submariner-date-1680-mk6-red-40mm-1974-watch","provider":"Crown Vintage Watches","version":"1.0","type":"link"}