Seiko s234 pulsemeter for $1,300 for sale from a Private Seller on Chrono24
A Seiko red plastic and stainless steel digital chronograph wristwatch with day, date, pulsometer and alarm, circa 1982 | Freddie Mercury: A World of His Own | Crazy Little Things 2 | 2023 | Sotheby's
Vintage Seiko Pulse meter S229-5001 alarm/ chronograph | WatchCharts Marketplace
Hard-to-find 1989 Seiko Pulse Meter S240-400c Digital Watch - Etsy