Ollee Watch
...Compatible with the Casio F-91W and A158W models, Ollee Watch stays perfectly synced with your phone via Bluetooth, ensuring accurate time no matter where you are ? with new built-in features like world time, snooze alarm, timer, a logging stopwatch and even sunrise and sunset tracking....
https://www.olleewatch.com/
Pegor's F91 Kepler Is a Work-in-Progress Open-Hardware Smartwatch ...
..."The F91 Kepler is complete redesign of the classic Casio F-91W watch," Pegor explains of the open hardware effort. "This project completely replaces the original internals of the watch only keeping the original case and adding an OLED display and a Bluetooth-capable MCU [Microcontroller Unit]."...
https://www.hackster.io/news/pegor-s-f91-kepler-is-a-work-in-progress-open-hardware-smartwatch-reboot-of-casio-s-classic-f-91w-b4726119ca89
GitHub - PegorK/F91_Kepler
...The F91 Kepler is complete redesign of the classic Casio F91W watch. This project completely replaces the original internals of the watch only keeping the original case and adding an OLED display and a bluetooth capable MCU. This repo contains all the firmware, hardware, and completely unfinished software (phone app) ;)....
https://github.com/PegorK/F91_Kepler
F-91W | CASIO
...An easy-to-read digital display makes it easy to check the time, as well as the day of week and date. Handy features for day-to-day life include water resistance and stopwatch, alarm, and light functions. This watch delivers dependable usability and solid functionality, exuding a passion for practicality that puts the user first, all while offering outstanding cost performance....
https://www.casio.com/intl/watches/casio/standard/standard/products/f-91w/
Amazon.com: Casio F91w
...1-48 of 254 results for "casio f91w" Results Check each product page for other buying options. Price and other details may vary based on product size and color....
https://www.amazon.com/casio-f91w/s?k=casio+f91w
Casio F91W turned into Bluetooth capable smartwatch ... - Notebookcheck
...The F91 Kepler GitLab project has turned a Casio F91W into a smartwatch, with an OLED display and the ability to receive notifications. The maker, Pegor, has redesigned the classic Casio model ......
https://www.notebookcheck.net/Casio-F91W-turned-into-Bluetooth-capable-smartwatch-with-GitLab-project.636162.0.html
Ollee Watch One Brings Bluetooth and Games to Classic Casio F-91W
...The 36-year-old Casio F-91W just got its first major upgrade - and it's not from Casio. The Ollee Watch One is a $55 DIY kit that adds Bluetooth connectivity, step tracking, and retro games to classic Casio digital watches without requiring any soldering skills....
https://www.techbuzz.ai/articles/ollee-watch-one-brings-bluetooth-and-games-to-classic-casio-f-91w
F91w Mod - Etsy
...Explore unique F91W mods, from custom digital watches to screen filters. Find your perfect retro timepiece....
https://www.etsy.com/market/f91w_mod
F91 Kepler is another Casio watch upgrade module #OpenSource
...The F91 Kepler is complete redesign of the classic Casio F91W watch. This project completely replaces the original internals of the watch only keeping the original case and adding an OLED display and a Bluetooth capable MCU. The GitLab repo contains all the firmware, hardware, and completely unfinished software (a phone app)....
https://blog.adafruit.com/2022/10/13/f91-kepler-is-another-casio-watch-upgrade-module-opensource/
Casio F-91w for sale | eBay
...Get the best deals for Casio F-91w at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!...
https://www.ebay.com/sch/i.html?_nkw=casio+f-91w&_sop=12
a Titanium Casio smart watch? - YouTube
...I?ll walk through the full build process and also pair it with the Ollee watch mod, adding modern features like Bluetooth connectivity....
https://www.youtube.com/watch?v=8ic_OWl0Plw