life_clock2.jpg

The Life clock, by Bertrand Planes runs on a “clock mechanism slowed down 61320 times” so that each number represents years. – Link

Marco writes in asking – “How does one make one of these?”
Well, besides having highly reliable components – I’d imagine the clock hands could be animated by stepper motors which in turn are driven by a microcontroller/realtime clock . . . hmm, any readers care to step in here?

This might come in handy, for starters:

realtimeclock_module.jpg

Relatime clock module with calendar accurate up to year 2100 – Link

Related:

Clock of the long now from Bay Area Maker Faire ’07 – Link

From the Maker store:

LED Clock kit – Link