Grand Seiko Mechanical Hi-Beat GMT SBGJ201

Drive system Mechanical Automatic (Hand winding capability)
Caliber No. 9S86
Case Stainless steel
Case back See-through screw case back with sapphire crystal
Glass High definition dual-curved sapphire crystal with anti-reflective coating
Bracelet Solid stainless steel
Buckle Stainless steel with three-fold clasp with push button release
Accuracy +5 ~ -3 seconds/ day
Water resistance 10 bar
Magnetic resistance 4800 A/m (60 gauss)
Weight 151g
Case thickness 14.0 mm
Case diameter 40.0mm
Jewels 37
Remarks
Screw crown
Blue-steel GMT hand