Our metallurgical strength has created another great alloy for the mainspring. Spron 530 delivers 55 hours of power reserve, which is pretty remarkable for a watch with a single barrel.
Spron 530 delivers 55 hours on a single barrel.
And , for this new 2012 model, we have gone even further towards the creation of the ideal watch.. Thanks to a very special adjustment procedure, this new Hi-Beat 36000 actually goes beyond the Grand Seiko Standard to deliver the extreme accuracy of minus 2 to plus 4 seconds per day, or within 0.005 %.