Seiko 5 DX Automatic Day-Date, Ref. 6106-7000, produced in July 1968. This watch is part of Seiko’s important late-1960s lineup, introduced during Japan’s period of rapid economic growth. While Seiko was already developing high-end lines such as Grand Seiko and King Seiko, the Seiko 5 and 5 DX series were designed as reliable, practical mechanical watches for everyday use by working professionals. The Cal. 6106 movement represents a significant technical evolution within the Seiko 5 family. It features a push-button quickset for the date and a day-change mechanism operated by rotating the hands, offering improved usability compared to earlier generations. This example is fitted with an English-only day display, a configuration appreciated by international collectors. The silver dial has a clean and well-balanced design, with applied indices and the “DX” marking, indicating a higher-grade specification within the Seiko 5 range. Its restrained elegance and solid construction reflect Seiko’s philosophy of producing dependable mechanical watches that combined durability with refined aesthetics. The watch is fitted with a new aftermarket leather strap for daily wear comfort. The original Seiko stainless steel bracelet is included and will be shipped together as an accessory. Running at the time of listing. As a vintage watch, stable operation, accuracy, and water resistance are not guaranteed. The watch will be carefully packed and shipped with tracking for safe delivery.