NOS Vintage Seiko Multi-Alarm Chronograph Calculator C439-5010 Digital Watch JDM

Up for sale is a NOS rare vintage Seiko Multi-Alarm Chronograph Calculator C439-5010 men’s digital watch, produced for the Japan Domestic Market (JDM) in the early 1980s. This iconic Seiko model showcases the brand’s advanced digital technology from the era, featuring a multi-function digital display and classic early 1980s Seiko styling that has become highly collectible among vintage digital watch enthusiasts. This example is new old stock (NOS) and remains in near mint physical condition, showing only very minor signs of handling and long-term storage over the years. The watch is in full working condition and all features and functions are operating properly. All parts of the watch are 100% original and the watch comes complete with its factory accessories including: • Original Seiko presentation box • Original instruction manual (Japanese) • Limited one-year warranty booklet • Original Seiko hang tag • Original Seiko stylus pen still sealed in its original plastic The original protective plastic remains on the buckle and the case back still retains its original “PASSED JWCII” inspection sticker, further confirming its exceptionally preserved condition. This is an extremely hard-to-find complete set and an outstanding example for serious Seiko collectors and enthusiasts of early Japanese digital watches. Key Details: • Brand: Seiko • Model: Multi-Alarm Chronograph C439-5010 • Module: C439 • Era: Early 1980s • Market: Japan Domestic Market (JDM) • Movement: Quartz digital • Case Material: Stainless steel • Condition: NOS; near mint condition with minimal handling and storage wear • Includes: Original box, instruction manual, warranty booklet, hang tag, sealed stylus pen A highly collectible vintage Seiko digital in extraordinary preserved condition and exceptionally difficult to find as a complete full set today. Ships carefully. Feel free to message me with any questions.