This Hublot is 42 mm satin-finished and polished grey ceramic case, satin-finished and polished grey ceramic bezel, sapphire crystal with anti-reflective treatment, mat grey skeleton dial, HUB1280 UNICO manufacture self-winding chronograph flyback movement, approximately 72 hours of power reserve, satin-finished and polished grey ceramic bracelet, titanium deployant buckle. Water resistant to 100m (10 ATM).