SBGY013
Reviews
(2)The SBGY013 is, without qualification, one of the most beautiful dials in production watchmaking today. The Spring Drive 9R31 movement underpins a dial that captures the particular quality of light on snow-dusted birch trees - an effect Grand Seiko's artisans achieve through a combination of hand-applied texture and layered lacquer that no photograph does justice to. Spring Drive technology itself occupies a unique technical category: neither purely mechanical nor electronic, it achieves a positional accuracy of ±1 second per day by using a quartz oscillator as a governor rather than a power source. For the collector who understands what they're looking at, this reference represents an extraordinary convergence of craft and engineering. One of the essential modern references.
