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Rare Vintage Casio CFX-20 Scientific Calculator Digital Watch Module 197 JDM 80s
■ THIS EXACT PHOTOGRAPHED WATCH IS ONE OF ONE. ONCE IT SELLS, THIS PAGE BECOMES AN ARCHIVE.
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MODEL:
Casio Vintage
Casio Vintage
MOVEMENT:
Quartz
Quartz
YEAR:
1980-1989
1980-1989
CASE MATERIAL:
Plastic, Resin, Stainless Steel
Plastic, Resin, Stainless Steel
BAND MATERIAL:
Resin, Rubber
Resin, Rubber
► SELLER'S DESCRIPTION
Up for sale is a rare vintage Casio CFX-20 Scientific Calculator men’s digital sports watch, powered by Module 197 and produced for the Japan Domestic Market (JDM) during the 1980s. This iconic model showcases Casio’s pioneering approach to wearable technology, combining a full scientific calculator with classic digital timekeeping in a compact and unmistakably 1980s design.
The watch is in full working condition, and all features and functions operate properly as intended.
All parts of the watch are original, including the original Casio resin strap.
The watch also comes with its original Casio presentation display, a nice original accessory that has remained with the watch over the years.
The watch is in good physical condition with signs of use and age. The photos best describe its physical condition and should be reviewed carefully prior to purchase.
Key Details
* Brand: Casio
* Model: CFX-20 Scientific Calculator
* Module: 197
* Era: 1980s
* Market: Japan Domestic Market (JDM)
* Movement: Digital Quartz
* Functions: Time, Calendar, Alarm, Stopwatch, Scientific Calculator
* Strap: Original Casio resin strap
* Accessories: Original Casio presentation display
* Condition: Full working condition. All features and functions operate properly.
* Originality: All parts original
A fantastic example of one of Casio’s classic scientific calculator watches from the golden era of Japanese digital watchmaking. Complete with its original presentation display, it is an excellent addition to any vintage Casio or calculator watch collection.
Ships carefully. Feel free to message me with any questions.
ADDITIONAL SPECIFICATIONS
Bezel Color:Black
With Papers:No
Reference Number:CFX-20
Vintage:Yes
Band/Strap:Two-Piece Strap
Case Color:Black
Department:Men
Type:Wristwatch
Band Color:Black
Style:Casual, Classic, Sport
With Original Box/Packaging:Yes
Features:Alarm, Backlight, Calculator
Country of Origin:Japan
Display:Digital
► MANUAL ARCHIVECasio module 197 manual PDFs
► ARCHIVE FILE: CASIO — BRAND HISTORY
Casio transformed digital watchmaking with the calendar-equipped Casiotron, famously tough G-Shock, and practical Databank watches, creating affordable icons whose early modules and aging resin cases now fascinate collectors.
Read the full Casio story — and shop all Casio watches ►► RELATED TIMEPIECES DETECTED (4)
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