buddhist clock?
I don’t know if this is really a “Buddhist” clock or not (the site implies it’s more African than anything), but it looks unmistakably like mala beads to me — and it’s just freakin’ cool!

FTA: “Each bead in the necklace is 5 minutes. The whole necklace is one solar day. The orange and red ones represent the whole hours. As the wheel turns, one bead falls off and drops down the string every 5 minutes. To tell the time you count the beads from either the silver bead (midnight) or the golden bead (noon) to the last bead that fell off the wheel.”
