A 3-day power reserve with lasting quality
The watch has a maximum 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn.
The exterior exudes a strong sense of presence and a tireless luxury befitting the Grand Seiko standard.
The delicacy, strength and beauty of the movement can be enjoyed the exhibition case back.
|See through Screw Back
|Dual-curved sapphire crystal
|Anti-reflective coating on inner surface
|Diameter 42.0mm Lug-to-lug 47.9mm Thickness 13.1mm
|Three-fold clasp with push button release
|The perimeter of Band:
|Automatic with manual winding
|Approx. 72 hours(3 days)
|Mean daily rate:
+5 to -3 seconds per day
|Other details / Features:
The three movements at the heart of Grand Seiko
One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.