Crafted from blue ceramic, the 42mm round case and matching bracelet of the Big Bang Integral Sky form a seamless, monochromatic statement. A fixed blue bezel frames the skeleton dial, which features silver-tone index hour markers, a minute scale running along the inner rim, and luminescent hands for low-light legibility. The date display sits between 4 and 5 o'clock, while two sub-dials track 60 seconds and 30 minutes for the chronograph function. A transparent case back reveals the movement within, and the case measures 14.5mm thick.
Inside beats the Hublot Calibre HUB1280 automatic movement, composed of 354 parts set with 43 jewels. Oscillating at 28,800 vibrations per hour, it delivers a power reserve of approximately 72 hours. A screw-down crown and water resistance to 100 meters / 330 feet round out the technical credentials of this Swiss Made timepiece.
This example is presented complete with its original box and papers. Secured by a push-button folding clasp, the Big Bang Integral Sky ref. 451.EX.5120.EX is a fully equipped men's luxury chronograph built around Hublot's distinctive ceramic construction.