A high-quality 3-day automatic
The watch has a 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 stately crown guard and lugs complement the shine given off by the mirror-finish achieved through multi-faceted Zaratsu polishing. The case's mirror-finish produces a lustrous shine achieved through multi-faceted Zaratsu polishing.
The delicacy, strength and beauty of the movement can be enjoyed the exhibition case back.
|See-through & Screw case back
|Dual-curved sapphire crystal
|Anti-reflective coating on inner surface
|Diameter 39.4mm Lug-to-lug 46.8mm Thickness 13.5mm
|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 Grand Seiko's expert watchmakers.
Spring Drive is a unique movement that delivers one-second-a-day precision, using just the power of a mainspring.