{"product_id":"circa-1977-vintage-seiko-automatic-hi-beat-17-jewel-day-date-12k-gold-filled-watch","title":"Circa 1977 Vintage Seiko Automatic Hi-Beat 17-Jewel Day-Date 12K Gold-Filled Watch","description":"\u003ch2\u003e\u003cstrong\u003eDESCRIPTION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThis circa 1977 Seiko Automatic is a well-preserved example of classic 1970s Japanese watchmaking, featuring a sculpted tonneau-shaped case in 12K gold-filled, a warm brown-tone dial, and a framed day-date display at 3 o'clock with an Arabic day wheel. The angular case profile and two-tone metal bracelet give it a distinctly period character that appeals to collectors of vintage Seiko and mechanical dress watches.\u003c\/p\u003e\n\u003cp\u003ePowered by a 17-jewel Hi-Beat automatic movement, this watch combines reliable mechanical construction with the refined detailing that defined Seiko's international-market offerings of the era.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKEY DETAILS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaker: Seiko\u003c\/li\u003e\n\u003cli\u003eEra: Circa 1977\u003c\/li\u003e\n\u003cli\u003eCountry of manufacture: Japan\u003c\/li\u003e\n\u003cli\u003eCase material: 12K gold-filled\u003c\/li\u003e\n\u003cli\u003eCase shape: Tonneau \/ TV-style\u003c\/li\u003e\n\u003cli\u003eHallmarks and markings: Seiko Automatic, 17 Jewels, Hi-Beat, Japan, 12K gold-filled\u003c\/li\u003e\n\u003cli\u003eSerial number: 750073\u003c\/li\u003e\n\u003cli\u003eDial color: Brown tone\u003c\/li\u003e\n\u003cli\u003eHour markers: Applied gold-tone baton markers\u003c\/li\u003e\n\u003cli\u003eMovement: Automatic Hi-Beat\u003c\/li\u003e\n\u003cli\u003eJewels: 17\u003c\/li\u003e\n\u003cli\u003eLikely caliber: Seiko 2206A\u003c\/li\u003e\n\u003cli\u003eFunctions: Hours, minutes, central seconds, day, and date\u003c\/li\u003e\n\u003cli\u003eCalendar position: 3 o'clock\u003c\/li\u003e\n\u003cli\u003eDay display: Arabic\u003c\/li\u003e\n\u003cli\u003eBracelet: Seiko-signed two-tone metal bracelet\u003c\/li\u003e\n\u003cli\u003eClosure: Fold-over clasp with adjustment holes\u003c\/li\u003e\n\u003cli\u003eNotable features: Bilingual-style day-date calendar; angular 1970s case design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eMEASUREMENTS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCase height: Approximately 30mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eCONDITION\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePre-owned vintage condition\u003c\/li\u003e\n\u003cli\u003eCase shows scratches, scuffs, darkening, and visible wear to the gold-filled finish\u003c\/li\u003e\n\u003cli\u003eBezel and case edges show finish loss and age-related wear\u003c\/li\u003e\n\u003cli\u003eCrystal shows visible scratches and surface marks\u003c\/li\u003e\n\u003cli\u003eDial shows age-related marks; remains legible\u003c\/li\u003e\n\u003cli\u003eBracelet shows scratches, scuffs, and finish wear\u003c\/li\u003e\n\u003cli\u003eClasp is present; operation has not been independently confirmed\u003c\/li\u003e\n\u003cli\u003eDay and date displays are present; calendar-setting operation has not been tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eIMPORTANT NOTES\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThe case is 12K gold-filled and is not solid gold\u003c\/li\u003e\n\u003cli\u003eSerial number 750073 indicates an estimated production date of May 1977\u003c\/li\u003e\n\u003cli\u003eMovement caliber is believed to be Seiko 2206A based on the 17-jewel Hi-Beat day-date configuration; exact caliber and case \u003c\/li\u003e\n\u003cli\u003eCurrent running condition and timekeeping \u003c\/li\u003e\n\u003cli\u003eWater resistance has not been tested and should not be assumed\u003c\/li\u003e\n\u003cli\u003eThe bracelet is Seiko-signed; its originality to this specific watch \u003c\/li\u003e\n\u003cli\u003eNo original box or papers are included\u003c\/li\u003e\n\u003cli\u003eSold as-is in its current vintage condition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Adamark Jeweler \u0026 Silversmiths, Inc","offers":[{"title":"Default Title","offer_id":53089374503201,"sku":"23502246","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/7265\/0273\/files\/23502246_1.jpg?v=1785259175","url":"https:\/\/www.adamarkjewelers.com\/products\/circa-1977-vintage-seiko-automatic-hi-beat-17-jewel-day-date-12k-gold-filled-watch","provider":"Adamark Jewelers \u0026 Silversmiths, Inc","version":"1.0","type":"link"}