Hublot Spirit of Big Bang King Gold Skeleton Chronograph

Reference: Spirit of Big Bang King Gold Skeleton (Chronograph)
Case Size: 45mm (tonneau-shaped)
Material: 18K King Gold (Hublot proprietary rose gold alloy)
Dial: Skeletonized
Movement: HUB4700 Automatic Chronograph (Zenith El Primero–based)
Power Reserve: ~50 hours
Functions: Hours, minutes, chronograph, date
Strap: Black rubber with King Gold deployant clasp
Water Resistance: 100 meters
Crystal: Sapphire (front & back)
Production Era: Modern / Current