It is quarried in the Sou Mountain region, Fujian Province, China. The stone is pulverized, mixed with a binding agent and molded, much like alabastrite. Sou Mountain Stone pieces are highly polished, further bringing out the intense, deep red of the stone. Back to Top Mechanical Watches Requires winding by hand. Back to Top Automatic Watches Self winding.
Weighted rotor works on gravity, and natural wrist movements keep the watch wound.
A battery activated quartz crystal vibrates 32,768 times per second, providing the energy to move the hands. Usually accurate within one minute a year. Back to Top Quartz Digital Watches Digital display instead of moving hands. How to Change Watch Batteries To change watch batteries locate the groove on the back of the watch case and gently pry off the back. Remove the old battery by loosening the screw that holds the metal contact, slide the battery out, and insert the new battery same side up as the old.