Grand Seiko Heritage Collection Spring Drive 40mm Watch Rings 4: The self-winding mechanical movement

4: The self-winding mechanical movement operates at 25

combine this set with a matching choker from the Millenia family

Weight: 16

the alternating Roman numerals and cabochons are red-gold plated

ensuring remarkable brilliance

Grand Seiko Heritage Collection Spring Drive 40mm Watch Rings 4: The self-winding mechanical movementThis bright, pure black dial is the perfect backdrop against which the diamond cut hands and hour markers stand out in sharp relief and mark the time with Spring Drives remarkable one second per day precision. Thanks to Grand Seikos unique Spring Drive movement, the seconds hand glides silently and smoothly, with no tick, across the dial, perfectly reflecting the natural and continuous flow of time. The power reserve is 72 hours when fully wound and