Seiko 5 Actus SS 6106-7600 (1973)

Offered in this auction by Second Vintage The Seiko 5 Actus line represents a fascinating era of Japanese watchmaking, blending robust mechanical reliability with the dynamic, forward-looking design language of the nineteen seventies. Aimed at a young, style-conscious demographic, the Actus series combined the practicality of the Seiko 5 family with elevated finishing and distinct case geometries. This particular SS variant elevates the standard with hacking capabilities and a mesmerizing deep blue dial, offering collectors a highly wearable and historically rich piece of Seiko's vintage catalog. Brand: Seiko Model: 5 Actus SS Reference Number: 6106-7600 Serial Number: 333395 Movement: Seiko Caliber 6106C Automatic, 25 Jewels Dial: Deep blue sunburst dial with applied faceted indices, showing clean surfaces and an aged handset Case Size: 37 mm Case Material: Stainless Steel Production Date: January 1973 Condition: Good vintage condition with honest wear and an attractive original dial Dial and Hands The deep blue sunburst dial is a striking focal point, capturing the light beautifully and transitioning between dark navy and vibrant cobalt hues. It features applied, faceted block indices that add significant depth and texture to the display. The applied Seiko and 5 Actus logos are crisp, accompanied by the printed SS and 25 Jewels text alongside the Suwa factory emblem. A framed day-date aperture sits cleanly at the three o'clock position, displaying a classic dual-language wheel. The baton hands feature a central black stripe and exhibit noticeable, age-consistent oxidation and patina across their metallic surfaces, contrasting with the well-preserved and clean condition of the dial itself. Case and Crystal The 37mm stainless steel cushion case exemplifies classic Seiko design from the era, featuring a broad, integrated-style profile with a recessed crown positioned at four o'clock. The case retains clear transitions between its brushed upper surfaces and polished flanks, displaying honest signs of wear, including light scratches and minor handling marks consistent with its vintage age. The watch is fitted with its original Hardlex crystal, which shows visible surface scratches and edge wear, particularly around the perimeter, consistent with age and use. Movement Inside beats the Seiko caliber 6106C, a 25-jewel automatic movement known for its robust architecture and hacking seconds feature, denoted by the SS designation. The movement presents cleanly in the provided images, with the distinctive Seiko signed rotor and clear caliber markings visible on the bridge. Performing well within expected vintage tolerances; running strong and steady with a timegrapher reading of -30s/day. Strap The watch is fitted with its original stainless steel bracelet, characterized by its textured central links and period-correct folded construction. The folding clasp is proudly stamped with the Seiko 5 Actus signature, completing the authentic factory configuration. The bracelet shows moderate stretch and surface wear commensurate with regular use over the decades. Condition Good vintage condition. The timepiece presents a highly attractive and well-presed dial, paired with an authentically aged handset and an honest, unpolished case that reflects its true vintage character. Dimensions Case Size: 37 mm (excluding the crown). Remarks This Seiko 5 Actus SS is a wonderful representation of vintage Japanese design, offering a compelling mix of reliable mechanical performance and striking aesthetics. Its original signed bracelet and vibrant blue dial make it a standout addition to any vintage Seiko collection. History Introduced in the late nineteen sixties and flourishing throughout the following decade, the Seiko Actus line was created to appeal to a dynamic, modern audience, offering stylish and robust watches for everyday wear. The numeral five denoted Seiko's five key attributes, while the SS indicated a hacking seconds function, a premium feature that set these models apart from standard entry-level offerings. Today, they are celebrated for their unique case shapes, vibrant dials, and enduring mechanical quality. / Second Vintage SKU: SEI-SAX-0026