Rare Vintage Casio B811 Men’s Digital Sports Watch Module 58 JDM 1970s

Up for sale is a rare vintage Casio B811 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, highlighting the brand’s early commitment to innovation and precision during the formative years of digital watchmaking. This example is fully original, with all parts of the watch remaining original, including the stainless steel case, bracelet, and internal components. The watch also comes with its original Casio module manual, a desirable addition for collectors. The watch is in full working condition, with all features and functions operating properly. It is in good physical condition with signs of use consistent with age. The photos best describe its overall physical condition. Key Details: • Brand: Casio • Model: B811 • Module: 58 • Era: 1970s • Origin: Japan Domestic Market (JDM) • Movement: Digital quartz (lithium-powered) • Case Material: Stainless steel • Bracelet: Original stainless steel bracelet • Included: Original module manual • Condition: Good physical condition with signs of use; fully working A well-preserved early Casio digital from the 1970s and a strong example of the brand’s early design language and engineering. Ships carefully. Feel free to message me with any questions.