Rare Vintage Seiko A828-6000 Speedmaster Giugiaro Digital Sports Watch JDM 1980s

Up for sale is an extremely rare vintage Seiko Speedmaster digital chronograph watch designed by the legendary Italian automotive designer Giorgetto Giugiaro. This remarkable model, reference A828-6000, dates to the early 1980s (circa 1983) and represents one of the most unconventional and technologically creative digital watches produced by Seiko during the golden age of Japanese quartz innovation. The A828-6000 features a bold and futuristic case design paired with a multifunction digital chronograph display. Surrounding the LCD screen is a distinctive tachymeter-style ring along with a rotating bezel that functions as a mode selector, allowing the wearer to change functions simply by twisting the bezel. This driver-focused interface was designed for easy operation, even when wearing gloves, making the watch particularly suited for motorsport and motorcycle use. What makes this watch truly extraordinary is its integrated retractable strap system built directly into the case. Inspired by airplane seatbelt mechanisms, the strap can be released and adjusted using a winding system built into the side of the case. The design allows the strap to extend and retract smoothly, giving the watch a unique mechanical functionality rarely seen in vintage wristwatches. This long strap system was also designed so the watch could be attached to objects such as motorcycle handlebars, reflecting the racing and motorsport inspiration behind the Speedmaster line. Unlike conventional digital watches that rely solely on pushers for operation, the A828-6000 incorporates a rotating bezel interface combined with side pushers, creating a distinctive and highly interactive user experience. This early ergonomic approach to function selection represents one of Seiko’s most creative experiments in digital watch design. Because the retractable strap mechanism and rotating bezel system rely on specialized internal components, many surviving examples today suffer from broken strap systems or non-functional bezels. As a result, fully working examples have become increasingly scarce and highly desirable among collectors of vintage Seiko and Giugiaro-designed watches. This particular example is in full working condition and all features and functions of the watch are working properly. The rotating bezel twists and operates correctly, smoothly switching between modes as intended. The retractable strap system is also fully operational, releasing and adjusting correctly. All parts of the watch are original. The watch is in very good physical condition, but has signs of use and age that are visible. The photos best describe its overall condition and should be reviewed carefully. Examples of the A828-6000 rarely appear on the market with a fully operational retractable strap system and correctly functioning rotating bezel. It represents one of the most unusual and innovative digital chronograph designs produced during the early era of quartz watchmaking. Key Details: • Brand: Seiko • Model: Speedmaster Giugiaro Design • Reference: A828-6000 • Movement: Seiko Caliber A828 digital quartz chronograph • Era: Early 1980s (circa 1983) • Origin: Japan • Display: Multifunction LCD digital display • Special Features: Rotating bezel mode selector and integrated retractable strap system • Case: Black Speedmaster case with tachymeter scale • Strap: Original retractable strap assembly • Condition: Fully working with correctly operating bezel and strap mechanism A rare opportunity to own one of Seiko’s most distinctive and experimental digital watch designs from the early quartz era. Ships carefully. Feel free to message me with any questions.