SEIKO 5 ACTUS SS 6106-5440 automatic wristwatch from the 1970s. This vintage model features a distinctive square stainless steel case combined with a clean black dial, giving it a timeless and elegant appearance. Powered by the reliable Seiko Cal. 6106 automatic movement with 23 jewels. Functions include: Automatic movement Day-Date display (Kanji) Quickset date Push-button quickset day 24-hour calendar adjustment The watch is fitted with a new black leather strap. Case size: approx. 34 mm (excluding crown). A stylish vintage Seiko suitable for both everyday wear and collections. Condition The watch is running. Time adjustment works correctly. 24-hour calendar adjustment works. Quickset date works. Push-button quickset day works. The day display is slightly misaligned within the window. Light scratches and signs of age are present on the case. The crystal has visible scratches. The dial and hands remain in good vintage condition. New aftermarket leather strap. Overall condition: Good. Important Information Please review all photographs carefully, as they form part of the description. The watch accuracy has not been professionally measured and long-term precision cannot be guaranteed. This is a vintage mechanical watch and water resistance cannot be guaranteed. The watch will be carefully packed and shipped with international tracking and insurance. Any customs duties, VAT, or import taxes are the buyer's responsibility.