Rare Vintage Casio B812 Men’s Digital Sports Watch Module 58 JDM 1970s

Up for sale is a rare vintage Casio B812 men’s digital sports watch, powered by Module 58 and produced exclusively for the Japan Domestic Market (JDM) during the 1970s. This model represents one of Casio’s early lithium-powered digital watches, showcasing the brand’s precision engineering and timeless minimalist design from the early era of digital watchmaking. The watch is in full working condition, and all confirmed features and functions operate properly, including timekeeping, date display, and seconds counter. The digital display is clear, and the buttons respond as intended. The watch is in excellent to near mint physical condition and is fitted with an aftermarket black resin/rubber strap. The case, module, and all other components are original to the watch. Key Details • Brand: Casio • Model: B812 • Module: 58 • Era: 1970s • Origin: Japan Domestic Market (JDM) • Movement: Digital Quartz (Lithium-powered) • Display: Time, Day, Date, Seconds • Case Material: Stainless Steel • Strap: Aftermarket black resin/rubber strap • Condition: Excellent to near mint physical condition; full working order • Made in Japan A classic early Casio digital that captures the brand’s 1970s design language — sleek, functional, and built to last. A great addition to any vintage Casio or JDM watch collection. Ships carefully. Feel free to message me with any questions.