Grand Seiko Sport Collection Diver's 200m Automatic with Manual Winding Mechanical Hi-Beat 36000 43.8mm Watch Transparent & 6 Screw Caseback which can be seen through

which can be seen through the sapphire-crystal on the wave-edged caseback

ensuring a delightful fit on your wrist

and a chronograph that measures elapsed time up to 12 hours

3mm white dial and the watch has a maximum 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn

Grand Seiko Watch Sport Collection Watch with a stainless steel and bracelet

Grand Seiko Sport Collection Diver's 200m Automatic with Manual Winding Mechanical Hi-Beat 36000 43.8mm Watch Transparent & 6 Screw Caseback which can be seen throughGrand Seiko Sport Collection Watch with a stainless steel case and bracelet. Each hand is different, to ensure that the time can be read easily and without error that they stand out clearly from the dark blue 43. 8mm dial. The triangular marker at twelve o'clock ensures that, even at depth, no mistake is made.