Seiko 5 Sports Automatic Day-Date Men's Watch – Vintage Stainless Steel Caliber 6106 The dial displays a soft champagne-silver tone with a subtle sunburst finish, complemented by applied baton-style hour markers in a smooth polished chrome finish. A day-date window is positioned at 3 o'clock, showing the day in English alongside the date. The Seiko 5 logo and "25 JEWELS" designation are printed below center, confirming the higher jewel-count automatic movement inside. The stainless steel case follows the rounded, cushion-style silhouette typical of Seiko's 1970s sports models. The caseback is clearly signed "SEIKO STAINLESS STEEL 6106-7030 WATER PROOF" along with an individual serial number, confirming authenticity and allowing the piece to be dated to the mid-to-late 1970s. Light surface wear and scattered scratches consistent with the watch's age are visible on the case and lugs. The watch is fitted with a stainless steel expansion-style bracelet, showing wear consistent with genuine vintage use. Inside beats the automatic (self-winding) Seiko caliber 6106, a workhorse movement of the era featuring a day-date complication and 25 jewels, requiring no battery and winding naturally through the motion of the wrist. Unique Piece: The Seiko 5 series was born in the 1960s from Seiko's ambition to bring reliable, feature-rich automatic watches to everyday wearers, and quickly became one of the most iconic and widely collected watch lines from Japan. This particular example, with its distinctive dial tone and day-date function, represents a genuine piece of Japanese watchmaking history from the golden era of Seiko's sports watches. Condition: As a vintage piece from the 1970s, this watch shows honest signs of age, including light scratches and surface wear to the case, consistent with the photos provided. It remains a striking example of the model, full of character built up over decades. Maintenance: Recently cleaned. Shipping and Customs: Since the item will be shipped from Japan, customs duties may apply upon arrival. Specifications Brand: Seiko Model: Seiko 5 Sports Caliber: 6106-7030 Movement: Automatic (self-winding) Jewels: 25 Case Material: Stainless steel Bracelet: Stainless steel (expansion type) Functions: Hours, minutes, seconds, day, date Origin: Japan Period: circa 1970s SEO Keywords: Seiko 5, Seiko 5 Sports, Seiko automatic, vintage Seiko, Seiko 6106, day date watch, Japanese vintage watch, mens automatic watch, Seiko stainless steel, retro Seiko