- Casio Calculator Watch
- Model Number CA 501
- Vintage new old stock. ( Unused )
- Module Number 437
- Regular Timekeeping
- Calculator Mode
- Stopwatch Mode
- 1/ 100th Second
- Dual time mode
- Daily Alarm mode
- Hourly Time Signal
- Lithium Battery CR 2016
- 5 Year Battery Life
- Adjustable Stainless Steel Strap.
- Made in Japan.
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