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 exclusively for the Japan Domestic Market (JDM). Part of Alba’s iconic “Blue Impulse” ski line, this model was engineered for cold-weather performance and durability, combining bold design with advanced 1980s digital technology.

The watch is in full working condition, and all features and functions operate properly. Every part 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.

This set includes the original Alba retail box and original paperwork, both in excellent condition with no damage to the front clear plastic window — rare for a piece 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 (no cracks in plastic window)

• Originality: All parts 100% original

A rare and highly collectible JDM Seiko Alba Blue Impulse, this model perfectly captures the sporty, colorful, and functional design language of the 1980s. Finding one in unused condition with an intact box is exceptionally uncommon — a standout addition for any serious Seiko or vintage digital watch collector.

Ships carefully.

Feel free to message me with any questions.