Hublot Classic Fusion Chronograph 521.NX.7170.RXWith the Classic Fusion Chronograph 521. NX. 7170. RX, Hublot offers a sport watch that balances modern edge with traditional chronograph function. The 45mm titanium case keeps it sturdy without feeling overbearing, matched by a deep blue dial accented with luminous markers and polished hands. Two registers and a date window sit neatly within the design, powered by the HUB1143 automatic movement. A rubber lined strap keeps the fit comfortable, ready