A Spring Drive GMT for the Next Generation of Leaders
Equipped with GMT display function, this model is powered by a Spring Drive, the third movement mechanism, combining the motive force of a mainspring found in mechanical watches with the high precision of a quartz watch. The second hand and red GMT hand movement over the black dial, further highlights the smooth movement of Seiko's original sweeping hand mechanism.
The first Grand Seiko watch to use a rotating bezel, with high-quality sapphire glass on the surface of the ring, providing a strong sense of transparency, breadth and depth.
The watch has been designed with the crown located in the 4 o’clock position for the first time in 38 years, taking into account the size and ensuring freedom of wrist movement.
Case : Stainless steel Glass : High definition dual-curved sapphire crystal Coating : Anti-reflection coating on inner surface Lumi Brite : Hand and index Case size : Diameter 44.0mm×Thickness 14.7mm
Movement : Caliber 9R66 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 : 20 bar Magnetic resistance : 4800 A/m (60 gauss) Weight : 177.0 g Remarks : ・Rotating basel (24hour display)
・Screw down crown
・Dual time function with 24-hour display
・Power reserve display function
・Quick correction function of time difference adjusting to a calender
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