Mechanical
Automatic (hand winding capability)
Power Reserve: Over 72 hours
28,800 VPH
Accuracy: -3 to +5 seconds per day (under static conditions)
35 Jewels
225 parts
GMT Hand
High definition dual-curved sapphire
crystal with anti-reflective coating
See-through screw case back with sapphire crystal
30M water resistant
Titanium rotor with Tungsten weight displaying the Grand Seiko logo
Crocodile band with Stainless Steel three-fold clasp with push button release
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