Rare Vintage Seiko Pulse Graph PR0A-4A10 Men’s Digital Sports Watch JDM 1990s

Offered for sale is an exceptionally rare Seiko Pulse Graph PROA-4A10, a Japan-only digital training watch from the mid-1990s. Designed for serious athletic performance tracking, this innovative model was far ahead of its time, featuring real-time pulse monitoring, lap and split timing, rhythm beeps, and more—marking it as one of Seiko’s most advanced digital watches of the era. This example is in full working condition and comes fitted with a brand new black resin strap. Like most surviving examples, the original strap has deteriorated over time, but the watch itself remains in great physical condition with only minor signs of wear from age and use. Key Details: • Model: Seiko Pulse Graph PROA-4A10 • Module: 4A10 • Era: Mid-1990s • Functions: Real-time pulse sensor mode, lap timer, pitch beep training, result recall, timekeeping • Strap: Brand new black resin strap • Condition: Fully functional; great overall condition with light wear • Made in Japan • Water Resistant • Battery Hatch: Coin-style for easy battery replacement Please Note: Only the watch shown in the photos is included in this listing. No original accessories, pulse sensor wire, box, or branded strap pieces are included. This is a true collector’s piece for fans of vintage Seiko, early wearable tech, or 1990s Japanese digital innovation. Working examples of this model are incredibly hard to find. Ships carefully. Feel free to reach out with any questions.