Grand Seiko Sport Spring Drive GMT SBGE277 30m-less Spring Drive has passed the

Spring Drive has passed the rigorous testing required for space travel and maintained its accuracy and functionality while on board the International Space Station — all concepts initially tested on Garriott's pioneering spacewalk

the BR 05 is now equipped with a chronograph movement – a mechanical complication perfectly adapted to the pace of urban life

Tested in real ocean conditions during its development

the Seamaster Professional Diver 300M has enjoyed a legendary following

Grand Seiko Sport Spring Drive GMT SBGE277 30m-less Spring Drive has passed theA Spring Drive GMT with a new rock pattern dial All Grand Seiko Spring Drive timepieces are designed, made, assembled and adjusted by the skilled craftsmen and women of the Shinshu Watch Studio, which is located in central Japan and surrounded by the Hotaka mountain range whose tallest summit is 3,190 metres high. As the Hotaka mountain range was created by volcanic activity, its peaks and slopes have sharp ridges and sheer cliffs which, even when