Complete set, Hublot, Big Bang series, model: 301.SX.710.RX, automatic winding, stainless steel, case diameter: 44MM, outer ring has 6 H-shaped fixed screws exposed, sandwich layered case structure, steel case paired with blue ceramic lugs, blue dial, blue strap, 3 o'clock position 30-minute chronograph, 6 o'clock position 12-hour chronograph, 9 o'clock position small seconds hand, clear reading logic; large-sized three-dimensional Arabic numerals hour markers, luminous coating, friendly for reading at night, strap equipped with Hublot quick-release system.