They say they will bring them for pickup at "Bitcoin 2022 Miami". I like this idea and philosophy. Retro and nerd tech:y.

https://www.coinertime.com/product-page/Shop

BLOCKWATCH (#051-#139) 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