Hublot Big Bang Tourbillon Automatic Orange Sapphire Watch - 45 mm - Sapphire Dial - Transparent Orange Rubber Strap - 419.JO.0120.RT45 mm polished orange sapphire crystal case, polished orange sapphire crystal bezel, sapphire crystal with anti reflective treatment, sapphire dial, HUB6035 manufacture automatic tourbillon movement, approximately 72 hours of power reserve, transparent orange structured lined rubber strap, titanium deployant buckle. Water resistant to 30m (3 ATM).