Offered here is a highly collectible vintage Seiko quartz diver, reference 7548-7000, manufactured in September 1983. This model is widely regarded as the quartz counterpart to the iconic 6309 “Turtle” and represents an important step in the evolution of Seiko dive watches, preceding the famous SKX series. This watch is a genuine Japanese Domestic Market (JDM) piece featuring the desirable Kanji/English day wheel. The watch remains in honest, original condition, showing natural signs of age consistent with a 40+ year-old tool diver, while retaining excellent overall presence. Key features: • Reference: 7548-7000 • Production date: September 1983 • Movement: Original Seiko Cal. 7548A quartz – reliable and accurate • Case: Stainless steel, approx. 42 mm, screw-down crown at 4 o’clock • Dial: Original matte black dial with intact “WATER 150M RESIST” text • Day/Date: Original Kanji/English day wheel (JDM exclusive) • Crystal: Seiko Hardlex mineral glass with light surface wear • Bezel: Bi-directional rotating bezel with original insert showing even, attractive patina • Caseback: Clear “Tsunami” wave engraving • Bracelet: Stainless steel Jubilee-style bracelet with signed clasp (light stretch consistent with age) The watch is in good vintage condition with visible but honest wear. • No major damage or deep scratches • Case remains well-defined • Bezel shows characteristic aging/patina • Lume has aged to a warm creamy tone The watch is running well and keeping good time. All functions (time-setting, quick-set day/date, bezel rotation) operate correctly. Summary: A superb and increasingly sought-after original Seiko 7548-7000 JDM diver from late 1983. With its Kanji day wheel, strong originality and attractive vintage patina, this is a true collector’s piece that rarely appears in such honest condition.