Hublot Caliber HUB1143 automatic movement, mechanical winding, limited edition status indicated by model reference, green dial face with rose gold tone hands and indices, two sub-dials including small seconds and 30-minute counter, date display at the six o'clock position, fixed bezel construction, self-winding mechanism equipped with a push button deployment clasp, sapphire crystal glass resistant to scratches, round case shape, 45mm case diameter, transparent back allowing visibility of movement, water-resistant up to 50 meters / 165 feet.