Miyota caliber OS10 is a quartz watch movement with zero jewels. It is made in Japan.
Miyota states the accuracy of the caliber Os10 quartz movement to be +/-20 seconds/month.
Replacement prices for the Miyota caliber 0S10 movement were found in the range of $25.00 – $31.95 USD.
There is also a caliber 0S1A (if you know the difference please comment below).