Movement:hand-wound mechanical, Hublot Caliber HUB1300.4 with 123 parts, 321 jewels, 21,600 vph and power reserve of 90 hours
Functions:hours, minutes, small seconds
Case:Ceramic, 42 mm in diameter, Ceramic bezel, composite resin sandwiched between the bezel & case, Ceramic crown, sapphire anti-reflective crystal & transparent back is water-resistant to 50 meters
Dial:skeleton, applied gray hands & index hour markers