Vintage Seiko De Jiana / Silver Wave Ana-Digi - Ref. H557-525A - Quartz (c. 1980s) A quintessential vintage timepiece from the 1980s, the Seiko H557-525A (also known as "De Jiana" in some markets or part of the "Silver Wave" line) features the iconic combination of an analog dial and a digital display. This watch represents the fusion of classic watchmaking and the era's emerging digital technology. Specifications & Design Brand: Seiko Model: De Jiana / Silver Wave Reference Number: H557-525A Case Material: Stainless Steel Case Shape: Square/Cushion with integrated lugs Movement: Quartz Ana-Digi (Analog and Digital) Calibre: H557 (a 3-jewel quartz movement, typically from the 1980s). Dial: Grey/Silver-tone square dial with an analog display featuring applied hour markers, and a lower-mounted rectangular digital LCD aperture. Functions (Digital): Likely includes features such as Alarm, Chronograph, and Day/Date, which were standard for this Ana-Digi calibre. Case Size: Approximately 33mm (typical size for this model). Bracelet (Aftermarket): The watch has been upgraded with a contemporary aftermarket rubber strap. The strap features a distinct ribbed texture and is equipped with a high-quality, black-finished Ton Charme deployment clasp. This dual-push-button clasp provides a modern, secure fit and a tactical aesthetic that complements the vintage digital head. Condition & Operation Overall Condition: The watch is in good vintage condition, showing signs of use consistent with its age. Analog Operation: The analog hands appear intact and correctly positioned. Digital Operation: Note on battery/functionality should be added here: (Assuming the battery condition is unknown, as no details were provided): A new battery will be required to check the full operation of the quartz and digital functions. Collector's Note The Seiko H557 series is highly sought after by collectors interested in the unique and innovative quartz designs of the early 1980s. The combination of the classic analog dial with the digital LCD display gives it a distinct retro-futuristic aesthetic. This piece is perfect for a collector of vintage Japanese watches or 1980s technology.