Seiko 5 Actus SS – Reference 6106-7520 – Automatic 23 Jewels – Men – 1970s An exceptional example of the Seiko 5 Actus SS series, this Ref. 6106-7520 from the early 1970s combines Seiko’s precision automatic movement with a bold, sporty aesthetic. Featuring the Calibre 6106 movement and a striking silver-blue sunburst dial, this model stands out as one of the most elegant and collectible pieces from the Actus lineup. ⸻ Technical Details • Brand: Seiko • Model: Seiko 5 Actus SS • Reference: 6106-7520 • Movement: Seiko Calibre 6106C – automatic, 23 jewels • Country of manufacture: Japan • Case material: Stainless steel • Case diameter: approx. 38 mm (excluding crown) • Lug width: approx. 18 mm • Crystal: Acrylic (excellent condition, clear and original) • Dial: Original silver-blue sunburst dial with “Seiko 5 Actus SS” logo, day-date window in Japanese/English at 3 o’clock • Hands: Original silver-tone baton hands • Markers: Applied steel hour markers with polished edges • Crown: Original, recessed design at 4 o’clock position • Caseback: Signed “STAINLESS STEEL 6106-7520 – WATER RESISTANT – JAPAN” with serial number indicating December 1973 production (Serial: 312835) • Strap: High-quality replacement leather strap (non-original, new condition) • Movement condition: Clean and fully functional, keeping time very well for a vintage automatic ⸻ Condition This Seiko 5 Actus SS 6106-7520 is in excellent vintage condition, both visually and mechanically. The case maintains its sharp factory lines, with brushed and polished surfaces beautifully preserved. The dial is stunning, featuring a deep metallic silver-blue sunburst texture that shifts elegantly under light. Minor, age-consistent marks may be present, enhancing the authentic vintage charm. The movement (Cal. 6106C) runs smoothly and keeps excellent time, with full functionality of the day and date quickset features. The crystal and hands are in excellent condition, and the case polishing is of high quality, preserving the geometric integrity of the original design. Overall, this is a well-preserved and collectible example of a 1970s Seiko automatic. ⸻ Additional Information • Water resistance not tested or guaranteed. • As with all vintage watches, standard care and mindful use are recommended. • Customs duties, VAT, and import-related taxes (such as handling or stamp fees) are the responsibility of the buyer. • Shipping: Fast and secure international delivery via FedEx, UPS, or DHL Express, with full tracking. • The watch will be professionally packaged, and photos and video will be taken prior to shipment for documentation. ⸻ Summary The Seiko 5 Actus SS Ref. 6106-7520 embodies Seiko’s craftsmanship and mid-century design innovation. Its refined case lines, brilliant silver-blue sunburst dial, and high-precision 23-jewel automatic movement make it both a functional everyday watch and a collectible vintage piece. A highly desirable model among Seiko enthusiasts, offered here in outstanding condition with strong mechanical performance and authentic vintage appeal.