---
description: Modded casio wrist watch with NFC and colorful watch face
created: 2023-12-18
---

![Casio rainbowfilm nfc mod](Casio rainbowfilm nfc mod.jpg)

I modded a Casio W59 with Dichroic film rainbow film and a 2x1 cm NFC sticker, and some crunched up aluminum foil

Parts:

- Dichroic film
    - [aliexpress.com - Holographic Clear Window Film](https://www.aliexpress.com/item/1005005620190266.html)
    - [velken.shop -  Rainbow color effect film, cold, transparent](https://www.velken.shop/p/rainbow-color-effect-film-cold-transparent/)
- [aliexpress.com - NFC Chip Ntag 213 Sticker 13.56MHz RFID Size 2*1cm](https://www.aliexpress.com/item/1005006220591444.html)
- [aliexpress.com - Adhesive polarizer](https://www.aliexpress.com/item/1005004269567641.html) note, it's important to get the sticky kind

NFC sticker tutorial video tutorial: 

[youtube.com -  CASIO F-91 NFC MOD - DIY F91W NFC Tag Implant ( Easy Modification )](https://www.youtube.com/watch?v=aGn2_zP8GI8)

Inverted display video:

[youtube.com -  More Casio Watch Mods (Inverted and Translucent LCD) ](https://www.youtube.com/watch?v=EsO-i5nS1z0)

![Inside](Inside.jpg)
![W59 modded front](W59 modded front.png)