The GoodWatch, by Travis Goodspeed.
(read the whole twitter thread)
https://twitter.com/travisgoodspeed/status/940263089982902272- custom board, runs on MSP430
- all features of the original Casio 3208 watch plus:
- RPN calculator
- hex editor
- MSP430 disassembler
- has CC1101 radio chip
- small TX/RX
- sourcecode and CAD files will be available
Looking forward to see its presentation at Shmoocon (January 19-21, 2018)