NOS Rare Vintage Seiko Silver Wave L221-5110 Men’s Digital Sports Watch JDM 70s

Up for sale is a NOS (New Old Stock) rare vintage Seiko Silver Wave men’s digital sports watch, model L221-5110, produced exclusively for the Japan Domestic Market (JDM) in the 1970s. Part of Seiko’s pioneering Silver Wave sports line, this model represents the brand’s early exploration into digital technology, paired with a distinctive blue dial and case design that embodies classic 1970s styling. The watch is in full working condition, and all features and functions operate properly. All parts of the watch are 100% original, including the two-piece resin/rubber strap. It comes complete with its original hangtags, and the factory protective sticker remains intact on the caseback, which is very rarely seen on examples of this age. The watch is in mint, never used physical condition, showing no signs of wear. The photos best describe its physical condition. Key Details: • Brand: Seiko • Model: Silver Wave • Reference: L221-5110 • Movement: Quartz Digital • Era: 1970s • Origin: Japan Domestic Market (JDM) • Water Resistance: Silver Wave series – sports-rated • Strap: Original two-piece resin/rubber strap • Included: Original hangtags and factory caseback sticker • Condition: NOS; all parts original; full working condition; mint physical condition An exceptional and highly collectible Seiko Silver Wave digital sports model from the 1970s—especially rare in NOS condition with original hangtags and caseback sticker intact. Ships carefully. Feel free to message me with any questions.