A Simple and Compact Spring Drive, at its most elegant
This simply finished model with no crown guard is driven by Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch.
With a case size under 40mm, the watch adorns the wrist with an elegant subtlety.
The dial makes use of Grand Seiko technology to effect a deep silver finish, giving off a radial sheen that projects a lustrous sense of depth.
The slender shape of the raised indices complements the sharpness of the power reserve indicator, while the clear expanse of the dial combines with the smooth movements of Grand Seiko's original second hand.
Case : Stainless steel Glass : High definition dual-curved sapphire crystal Coating : Anti-reflection coating on inner surface Lumi Brite : - Case size : Diameter 39.0mm×Thickness 12.3mm
Movement : Caliber 9R65 Driving system : Spring Drive Power reserve : Approximately 72 hours Accuracy : ±1 per day (±15 seconds per month)
Clasp : Three-fold clasp with push button release Water resistance : 10 bar Magnetic resistance : 4800 A/m (60 gauss) Weight : 148.0 g Remarks : ・Screw down crown
The movement at the heart of Grand Seiko
Combining cutting-edge technology and time-tested craftsmanship as one of the world's true watch manufactures
Capturing and refining the very essence of a watch
A legacy of innovation beginning with the first Grand Seiko in 1960