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NOS Rare Vintage Seiko Alba Blue Impulse Y785-4000 Digital Sports Ski Watch JDM - Image 1
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NOS Rare Vintage Seiko Alba Blue Impulse Y785-4000 Digital Sports Ski Watch JDM

DIRECT PRICE SAVE 10%
EBAY PRICE$360.00
DIRECT -10%$324.00

DESCRIPTION

Up for sale is a NOS (New Old Stock) rare vintage Seiko Alba Blue Impulse Y785-4000 men’s digital sports ski watch from the 1980s, produced for the Japan Domestic Market (JDM). This exceptional model was part of Alba’s specialized winter sports line, designed for performance and durability in cold conditions — proudly labeled as the “Blue Impulse” Ski Watch. The watch is in full working condition, and all features and functions operate properly. Every component of the watch is 100% original, including the case, strap, and clasp. It remains in mint, never-used physical condition, showing no signs of wear or handling beyond storage. This set includes the original Alba retail box and original paperwork, making it an especially collectible example. Please note that the front clear plastic window of the display box has cracked and separated over time, a common occurrence for vintage packaging of this age. Key Details: • Brand: Seiko (Alba) • Model: Blue Impulse Y785-4000 • Era: 1980s • Market: Japan Domestic Market (JDM) • Display: Digital LCD • Features: Chronograph, Alarm, 50M Water Resistance, Cold-Resistant Construction • Strap: Original Alba ski strap • Condition: NOS / Mint never-used physical condition; full working condition • Box: Includes original Alba box and paperwork (front plastic window cracked from age) • Originality: All parts 100% original A rare and historically significant JDM Seiko Alba, the Blue Impulse Y785-4000 is an iconic piece from the brand’s 1980s sports era — combining rugged functionality with a bold design. A true collector’s item, seldom found complete and unused. Ships carefully. Feel free to message me with any questions.
BRAND:
Seiko
UNIT CONDITION:
New with box and papers
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► ARCHIVE FILE: SEIKO — BRAND HISTORY

Seiko begins with Kintaro Hattori, who opened a shop selling and repairing clocks in Tokyo's Ginza district in 1881, at the age of twenty-one. He founded the Seikosha factory in 1892 to manufacture wall clocks, built Japan's first wristwatch, the Laurel, in 1913, and put the Seiko name on a dial for the first time in 1924. By mid-century his successors ran one of the most vertically integrated watch companies on earth, making everything from hairsprings to cases under its own roof.

Postwar Seiko sharpened itself through internal rivalry: two subsidiaries, Suwa Seikosha and Daini Seikosha, competed on the same briefs, giving the world Grand Seiko in 1960 and King Seiko in 1961, chronometer-grade watches aimed squarely at the Swiss. The point was made publicly when Seiko movements climbed the rankings of the Swiss observatory chronometry trials at Neuchatel and Geneva through the late 1960s, finishing among the very best mechanical entries by 1968.

Then came 1969, the pivotal year. In May, Seiko put the caliber 6139 on sale, one of the first automatic chronographs in the world and arguably the first to reach retail; a gold-dialed 6139 worn by astronaut William Pogue aboard Skylab in 1973 became the first automatic chronograph in space. On December 25, Seiko released the Astron, the first production quartz wristwatch, priced near the cost of a small car. The Astron rewrote the rules of accuracy and set off the quartz revolution that reshaped the entire industry.

Seiko's vintage divers are a collecting field of their own: the 62MAS of 1965 was Japan's first purpose-built dive watch, the 6105 of 1968 went to Vietnam on countless service wrists and later appeared on Martin Sheen's wrist in Apocalypse Now, and the cushion-cased 6309 of 1976 became the template for decades of affordable divers. Alongside them sit the Seiko 5 automatics, produced in staggering variety, which put a reliable day-date automatic on millions of wrists for very little money.

Collecting vintage Seiko is unusually friendly to research: the serial number on every case back encodes the year and month of production, and the model and dial codes let you verify that a watch left the factory the way it sits today. Condition and originality drive value, with replaced dials and hands common after decades of inexpensive servicing, so untouched examples carry a real premium. Grand and King Seikos from the 1960s offer Swiss-level finishing at a fraction of equivalent Swiss prices, which is why their reputation keeps growing.

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