Rare Vintage Seiko Sportsmatic Calendar 820 15040 Men’s Classic Dress Watch JDM

Up for sale is a rare vintage Seiko Sportsmatic Calendar 820 Ref. 15040 men’s automatic classic dress watch, produced for the Japan Domestic Market (JDM) during the 1960s. Powered by Seiko’s reliable 17-jewel automatic movement, the Sportsmatic Calendar 820 series is admired for its elegant styling, dependable performance, and its place among Seiko’s early automatic dress watch collections. The watch is in full working condition and is running and holding accurate time over a 24-hour period. It is fitted on an aftermarket black leather strap. The watch is in good vintage physical condition with signs of use and age. The photos best describe its physical condition and should be reviewed carefully by interested buyers. Key Details: * Brand: Seiko * Model: Sportsmatic Calendar 820 * Reference: 15040 * Era: 1960s * Market: Japan Domestic Market (JDM) * Movement: Automatic * Jewels: 17 * Strap: Aftermarket black leather strap * Features: Date display * Condition: Full working condition and running and holding accurate time over a 24-hour period A beautiful and increasingly collectible vintage Seiko, offering timeless 1960s styling, a dependable 17-jewel automatic movement, and the exceptional craftsmanship that made the Sportsmatic series one of Seiko’s most respected early automatic collections. Ships carefully. Feel free to message me with any questions.