Available now on auction by Second Vintage Immerse yourself in the bold and expressive design language of 1970s Japanese watchmaking with this captivating Seiko SS Actus. Designed for a generation that embraced vibrant aesthetics and futuristic geometry, this timepiece stands as a testament to Seiko's fearless creativity during the era. With its mesmerizing textured dial, architectural case, and signature faceted crystal, this watch is a thrilling discovery for collectors of vintage Japanese Domestic Market timepieces who appreciate character and mechanical integrity. Brand: Seiko Model: SS Actus Reference Number: 6106-7690 Serial Number: 3N0448 Movement: Automatic Caliber 6106C Dial: Vibrant green horizontally banded dial with applied faceted indices, exceptionally clean condition Case Size: 37 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1973 Condition: Good vintage condition with honest wear and a beautifully preserved dial Dial and Hands The dial of this SS Actus is an absolute visual delight, featuring a striking emerald green hue executed with a dynamic, horizontally banded gradient texture that shifts beautifully as it catches the light. The dial furniture is exceptional, boasting applied silver-tone faceted indices with crisp white central accents that perfectly match the original baton hands. The applied "SEIKO" and "5ACTUS" logos sit proudly below the twelve o'clock position, while the printed "SS 25 JEWELS" and the Suwa factory symbol remain flawlessly sharp above the six o'clock mark. A highly practical and era-correct framed day-date window rests at the three o'clock position, featuring a dual-language English and Kanji day wheel. Carefully inspected under magnification, the dial presents in stunning condition, remaining incredibly clean and free of moisture marks, spotting, discoloration, or any significant signs of degradation. Case and Crystal The 37mm stainless steel case features a distinctive tonneau-cushion silhouette with sharp, angular lug profiles that define the bold aesthetic of the 1970s. The case retains a beautiful transition between its brushed upper surfaces and highly polished flanks, showing honest, age-appropriate signs of wear, including superficial scratches and light handling marks, but remaining structurally crisp without heavy over-polishing. The recessed crown at the four o'clock position maintains the sleek, uninterrupted lines of the case architecture. Crowning the watch is a dramatic and highly reflective faceted crystal, a hallmark of premium vintage Seiko design. The crystal remains highly legible and visually striking, though a close visual inspection reveals some light surface scratches and minor edge wear along the facets, entirely consistent with its vintage heritage. The solid screw-down caseback is clearly engraved with the reference and serial numbers. Movement Powering this timepiece is the robust and highly regarded Seiko Caliber 6106C, a 25-jewel automatic movement known for its durability and efficient winding. Visual inspection of the movement reveals clean plates, a well-preserved rotor, and clear factory engravings confirming the caliber. Running in vintage operational condition. Maintains the authentic mechanical character of the era. The timegrapher indicates a performance of -55 to -60 seconds per day. Strap The watch is fitted with its original stainless steel folded-link bracelet, completing the authentic factory aesthetic. The originality of the bracelet is confirmed by the clearly visible "SEIKO 5ACTUS" branding proudly stamped on the folding clasp, as well as the correct "XJA260" stamping on the endlinks. The bracelet shows moderate stretch and surface wear consistent with regular use over the decades, presenting wonderfully on the wrist and accommodating a size of up to 18 cm. Condition This timepiece is presented in good vintage condition. It exhibits the honest, superficial wear expected from a watch of its age, particularly on the case, bracelet, and the specialized faceted crystal. However, the true highlight of this piece is the dial, which has been preserved in stunning condition, remaining vibrant, clean, and free of damage. The original signed bracelet and fully legible caseback engravings further elevate the collectability of this remarkably original example. Dimensions Case Size: 37 mm (excluding the crown) Wrist Size: 18 cm Remarks Finding a vintage Seiko SS Actus that retains its original faceted crystal, signed bracelet, and an immaculate green textured dial is a rare and rewarding opportunity. This piece perfectly encapsulates the adventurous spirit of 1970s design, offering a highly wearable and visually arresting addition to any serious vintage collection. History The Seiko Actus collection, prominently featuring the 5 Actus and SS Actus sub-lines, was introduced to the Japanese Domestic Market in the late 1960s and flourished throughout the 1970s. Targeted at a younger, fashion-forward demographic, the Actus range broke away from traditional, conservative watchmaking by introducing vibrant dial colors, unconventional textures, asymmetrical case designs, and the now-iconic faceted crystals. These watches were designed to be both reliable everyday timekeepers and bold statement pieces. Today, the Actus line is celebrated by collectors as a golden era of Seiko's design experimentation, representing a unique intersection of reliable mechanical engineering and unapologetic retro-futuristic style. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and very securely packaged, and shipped with tracking and insurance for your peace of mind. We ship via fast express service, with typical delivery in 1–4 business days (destination dependent). Please review all photos carefully before bidding. We strive to photograph each watch from multiple angles for the most accurate representation. The photos form an important part of the description. As with all vintage watches, water resistance is not guaranteed. The watch will be delivered in fully functional, working condition. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-SSA-0001