The One embodies a youthful, dynamic character: coloured dial enclosed in the steel case. The second hand is marked with E.M. Grey dial. Case size: 36 MM Movement: STP-1-11 Swiss Made, 28,800 oscillations per hour, 26 jewels, power reserve 44 hours Case: Brushed 316 L stainless steel, polished bezel Soleil finish dial with luminescent baton hour markers Water resistance: 10 ATM- 330 ft Sapphire Glass Strap: Brushed 316 L stainless steel with retractable folding clasp, 18 mm Screw-down 6 mm crown Screw-down caseback Lifetime Warranty