Full set!! TYPE: Automatic GMT watch with internal rotating bezel MOVEMENT: Sellita SW330-1, 25 Jewels, 28,800 Vph, 42 hour power reserve FUNCTION: Self winding mechanism with ball bearing, 3 O’Clock date position with quick date setting, second time zone by central hand CASE MATERIAL: 316L grade stainless steel, Sapphire Crystal glass with antiglare CASE DIAMETER: 40 mm CASE THICKNESS: 11.7 mm CASEBACK MATERIAL: Stainless Steel WATER-RESISTANCE: 100m / 10 ATM LUG TO LUG: 46.3 mm LUG WIDTH: 20mm