“Are We the Baddies?” is a 2006 comedy sketch by the British comedians Mitchell and Webb, performed both on recorded television in That Mitchell and Webb Look and live at The Secret Policeman’s Ball.

Source: Wikipedia

I don’t know how well it measures up to privacy standards at the level of GrapheneOS, but Ollee might be of interest to you if you want to go the retro route. It lets you convert a standard Casio F-91W into a smartwatch.

Here are some password managers that are either based in Europe or are Open Source: https://buy-european.net/en/category/password-managers