The Seiko Actus SS 6306-8010U is a vintage automatic watch from 1977 that showcases Seiko's craftsmanship and attention to detail. The 6306 movement, with its 21 jewels, provides reliable and accurate timekeeping. The watch's original dial is signed "JAPAN 6306-8010U," adding to its authenticity and collectibility. The stainless steel case, measuring 36.5mm in diameter, is paired with an original crystal glass and crown. The day and date function is a notable feature, displaying both Japanese Kanji and English. This function works automatically and manually, providing convenience and practicality. The watch is currently paired with a leather aftermarket strap, which complements its classic design. With its used condition, the watch runs well and keeps accurate time, deviating only ±1 minute per day. Overall, the Seiko Actus SS 6306-8010U is a charming vintage timepiece that reflects Seiko's commitment to quality and reliability. Its unique features and classic design make it a desirable collector's item for watch enthusiasts.