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Rare Vintage Casio 31QR-17 Men’s Digital Chronograph Sports Watch JDM 1970s

DIRECT PRICE — SAVE 10%
EBAY PRICE$135.00
DIRECT -10%$121.50
■ ONE OF A KIND — THIS IS THE ONLY ONE. ONCE IT SELLS, THIS PAGE BECOMES AN ARCHIVE.
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BRAND:
Casio
UNIT CONDITION:
Pre-owned - Good
► SELLER'S DESCRIPTION
Up for sale is a rare vintage Casio 31QR-17 men’s digital sports watch, produced exclusively for the Japan Domestic Market (JDM) during the 1970s. This early-generation digital model represents Casio’s pioneering era of electronic watchmaking, featuring a classic stainless steel case design, clean functional layout, and dependable quartz technology. The watch is in full working condition, and all features and functions of the watch are working properly, including timekeeping, day, date, and stopwatch. The display is clear and all buttons respond correctly. All parts of the watch are original, including the Casio-signed stainless steel bracelet. The watch is in great physical condition, and the photos best describe its overall appearance and should be reviewed carefully. Key Details • Brand: Casio • Model: 31QR-17 • Era: 1970s • Market: Japan Domestic Market (JDM) • Features: Time, Day, Date, Stopwatch • Case Material: Stainless Steel • Bracelet: Original Casio-signed stainless steel bracelet • Made in Japan A scarce and collectible early Casio digital model, perfect for collectors of vintage Japanese electronics or classic digital watches. Ships carefully. Feel free to message me with any questions.

► ARCHIVE FILE: CASIO — BRAND HISTORY

Casio began not with watches but with calculation. Tadao Kashio founded Kashio Seisakujo in Tokyo in 1946, and with his three brothers developed the 14-A in 1957, the world's first compact all-electric relay calculator, incorporating the business as Casio Computer Co. that same year. The move into watchmaking came in November 1974 with the Casiotron, a digital watch whose claim to fame was an automatic calendar that knew how many days each month had, a small feat of logic that announced how an electronics firm would approach timekeeping.

Read the full Casio story — and shop all Casio watches ►

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