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Rare Vintage Casio 81QS-35 Alarm Chronograph Men’s Digital Sports Watch JDM 70s
■ THIS EXACT PHOTOGRAPHED WATCH IS ONE OF ONE. ONCE IT SELLS, THIS PAGE BECOMES AN ARCHIVE.
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► SELLER'S DESCRIPTION
Up for sale is a rare vintage Casio 81QS-35 men’s digital alarm chronograph sports watch, produced for the Japan Domestic Market (JDM) in the 1970s. This model is part of Casio’s earliest generation of digital sports watches and represents the brand’s formative years in digital timekeeping, featuring a classic rectangular case design and practical everyday functionality.
The watch is in full working condition, and all features and functions operate properly, including timekeeping, alarm, chronograph, and date display. All parts of the watch are original, including the case, module, and stainless steel bracelet.
The watch shows signs of use and age consistent with a vintage timepiece. The photos best describe its physical condition, so please review them carefully.
Key Details:
• Brand: Casio
• Model: 81QS-35
• Era: 1970s
• Market: Japan Domestic Market (JDM)
• Movement: Digital Quartz
• Functions: Time, date, alarm, chronograph
• Case Material: Stainless steel
• Bracelet: Original Casio stainless steel bracelet and clasp
• Condition: Fully functional; signs of use and age; photos best describe condition
A highly collectible early Casio digital sports watch from the 1970s, ideal for collectors of vintage Casio and early digital timepieces.
Ships carefully. Feel free to message me with any questions.
► MANUAL ARCHIVECasio module 81 manual PDFs
► ARCHIVE FILE: CASIO — BRAND HISTORY
Casio brought an electronics company's imagination to the wrist, moving from calculators to the calendar-equipped Casiotron in 1974. G-Shock toughness, Databank utility, and affordable icons such as the F-91W turned the company into a digital-watch giant whose early modules and resin-cased designs are now a distinct collecting field.
Read the full Casio story — and shop all Casio watches ►► RELATED TIMEPIECES DETECTED (4)
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