A 3-day power reserve and refined design and functions in a larger case
This model retains the Grand Seiko design, with an increased case size giving the watch a greater sense of presence.
Equipped with the 9R61 caliber, the watch will run continuously for three days when fully wound, and utilizes the latest hairspring and the MEMS manufacturing processes in its escapement to deliver higher stability of accuracy when in use.
Greater stability from the new slim-form watch case back provides an outstanding sense of security for the wearer.
Case : Stainless steel
Case back: Stainless steel and sapphire crystal
Glass : High definition dual-curved sapphire crystal Coating : Anti-reflection coating on inner surface Case size : Diameter 42.0mm×Thickness 13.1mm The perimeter of bracelet : 205.0mm Band : Stainless steel
Movement : Caliber 9S61 Driving system : Automatic Power reserve : Approximately 72 hours Accuracy : +5 to -3 seconds per day (when static)
Note: This accuracy is the result of measuring the loss/gain of the time for seventeen days before the inside movements of the watch are put in the case. The measurement has been done in the factory where temperatures or position of the movements are controlled. When the watch is actually worn, the accuracy should be from -1 second/day to +10 seconds/day (-1 second/day to +8 seconds/day for Cal.9S85, 9S86).
Clasp : Three-fold clasp with push button release Water resistance : 10 bar Magnetic resistance : 4800 A/m (60 gauss) Weight : 174.0 g Remarks : Caseback with a lion emblem
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