Casio CA-53W-1ER - Wikipedia
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![](https://upload.wikimedia.org/wikipedia/commons/thumb/8/89/HP-01_Calculator_Watch_%28cropped%29.jpg/220px-HP-01_Calculator_Watch_%28cropped%29.jpg)
Calculator watch - Wikipedia
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Casio – WATCHDAVID Watch Blog
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Hands-On: Yes, You Can Still Buy A Casio Calculator Watch - Hodinkee
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CA53W-1, Black Data Bank Watch
![](https://m.media-amazon.com/images/I/81KW7M4ZxXL._UX250_.jpg)
Casio Men's Vintage CA-53W-1CR Calculator Watch : Casio: Clothing, Shoes & Jewelry
![](https://i.etsystatic.com/iap/9b3bb0/3956784346/iap_300x300.3956784346_b9xczlp3.jpg?version=0)
Casio Calculator Watch With Red Screen Mod CA-53W-1ER
30 Years Later, This Nerdy Watch Is Still Super Awesome
![](https://m.media-amazon.com/images/I/71ivV-1PgZL._UX250_.jpg)
Casio Men's Vintage CA-53W-1CR Calculator Watch : Casio: Clothing, Shoes & Jewelry
![](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Casio_F-91W_82T38575.jpg/220px-Casio_F-91W_82T38575.jpg)
Casio F-91W - Wikipedia
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Casio CA-53WF - Can you tell the time on Casio's new version of its classic calculator watch?
![](https://i.ytimg.com/vi/Km4ls3IIN0M/maxresdefault.jpg)
Casio Calculator CA-53W-1 SPEC
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Casio_G-Shock_DW-5600E_wristwatch.jpg/106px-Casio_G-Shock_DW-5600E_wristwatch.jpg)
Casio - Wikipedia
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Hands-On: Yes, You Can Still Buy A Casio Calculator Watch - Hodinkee