A chronograph with the reliability of Spring Drive
The chronograph utilizes a Ready/Start button with a half-press shutter,
to ensure the most precise possible operation, the chronograph start an
stop buttons have a ‘ready’ stage so that the chronograph is armed by
pressing the button half way.
|See-through & Screw case back
|Dual-curved sapphire crystal
|Anti-reflective coating on inner surface
|Diameter 43.5mm Lug-to-lug 51.2mm Thickness 16.1mm
|Three-fold clasp with push button release
|The perimeter of Band:
|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.