Limited run
Kepler Watch
Kepler Watch is an OLED and Bluetooth mod for the Casio F-91W. The Kepler module replaces the original Casio module 593. A...
from €149,00
OptionsOLED · BLE · Coin cell
A new orbit for an old classic.
Kepler Watch is an OLED and Bluetooth mod for the Casio F-91W: the Kepler module replaces the original Casio module 593 with a crisp OLED and a Bluetooth brain; it keeps time to the second and, on the side, mirrors what matters on your phone. Three buttons. One coin cell. No subscription.
Based on the MIT-licensed F91-Kepler design (Pegor Karoglanian) · hand-built · no subscription
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Your phone on your wrist
Notifications show the app and sender; the last five remain available. Plus music control, find phone and watch, weather and forecast, and your own picture from the app.
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Works without a phone too
Set the time without a phone, stopwatch with laps, interval timer, five alarms with snooze and a flashlight. Sounds can be muted. Ten screens enabled at the factory, four more optional.
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Yours to keep
User-replaceable CR2016 coin cell, no charging. No account, no cloud, no subscription. Built on the MIT-licensed F91-Kepler design; the Android app is open source.
Time, date, weather
Notifications: app, sender, history
Countdown timer
Music control for your phone
Stopwatch
Info: own temperature, battery, alarm
Flashlight
Find my phone: make it ring
Incoming message
Incoming call
Alarm and notification icons on the clock face
Bluetooth: status, radio on/off
Image screen: your own picture from the app
Choose your Kepler
All products →Limited run
Limited run
Kepler Watch Module
The Kepler Watch module for your own OLED and Bluetooth mod of the Casio F-91W: it replaces the original Casio module 593...
from €129,00
Options