Spring Drive GMT Sport | 44mm, Steel, Black Dial Skeleton The black sunray dial with

The black sunray dial with 12 diamonds

this iconic timepiece sits in a 42mm steel case with a unique convex pebble shape inspired by a new vision of roundness

and brushed and polished metal elements for a luxe yet somehow understated finished

42mm titanium case

This 43mm model presents a stainless steel case on a co-ordinating bracelet for an understated finish

Spring Drive GMT Sport | 44mm, Steel, Black Dial Skeleton The black sunray dial withAll 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 Hot aka mountain range whose tallest summit is 3,190 meters high. As the Hot aka mountain range was created by volcanic activity, its peaks and slopes have sharp ridges and sheer cliffs which, even when carved by the wind and snow over the millennia,