BLOCKWATCH 1 (#051-#139)

Bitcoin's Genesis Block was mined by Satoshi Nakamoto on 1/03/2009. To reflect the original block, the number of BLOCKWATCH 1 for sale will be limited to 139 units with the block height and unit number hand engraved on each circuit board.
 
Features
3 faces: BTC timechain, Moscow Time, BTC Public Key QR code
ASIC ribbon cable
Hand engraved unit number and blockheight when assembled
In-house mint encryption system enables us to confirm each BLOCKWATCH’s authenticity
 
System details
ESP32-PICO-D4 core
E-Paper, E-Ink Display with 200x200 pixel resolution
 
#001-#015 = Yellow band
#016-#025 = Retro band 
#026-#154 = Grey band
 
Designed, assembled, and coded in the USA
MIT License‒ open source hardware/software