〇Description OH Serviced Vintage 1970s Seiko Seiko 5 Sports Speed-Timer Automatic Chronograph, reference 6139-7020, made in Japan. The Seiko 6139 series is one of the world’s first automatic chronograph movements, introduced during the late 1960s and early 1970s. It is highly respected among collectors as an important milestone in horological history. Powered by the renowned Seiko automatic Calibre 6139, this movement combines durability, reliability, and historical significance. Importantly, the watch has been professionally serviced (overhauled), allowing confident daily use while preserving its original vintage character. Produced during the 1970s, this Speed-Timer represents a golden era of Japanese mechanical innovation and design. A wonderful opportunity to acquire vintage Seiko automatic chronograph, ideal for collectors and enthusiasts seeking heritage, performance, and distinctive style. 〇Appearance Appearance: The appearance is clean. Band: Fits wrists up to approximately 170mm (6.69 inches). Case Size: Approximately 41mm in length. There is some wear from normal use. 〇Function Function: Works normally. It has been overhauled. Accuracy is approximately 11 seconds per day. 〇Included Items Included Items: Everything shown in the photos is included. The above condition is based on my personal opinion. Please carefully examine the photos before making your purchase. If you have any questions, please feel free to contact us. Thank you. 〇Shipping Shipping will be via DHL Express with a tracking number. Delivery times vary depending on the shipping provider in the recipient's country. 〇Important If the winning bidder cancels or withdraws their bid, they assume the risk, all shipping costs, and the reimbursement of any import taxes owed to the seller. Import duties, taxes, and other additional fees are levied by local customs. All charges (such as duties, taxes, etc.) incurred during or after delivery are the customer's responsibility. For more information regarding duties and import taxes, please contact your country's customs office directly before placing your order.