Automatic mechanical movement, Hublot Calibre HUB1242 UNICO with 38 Jewels and approximately 72 hours power reserve based on Hublot HUB1240; smoked sapphire crystal case; black dial featuring black hands and Arabic numeral hour markers; minute markers around the outer rim; fixed rainbow sapphire bezel set with 48 baguette-cut stones (colored sapphires, rubies, topazes, tanzanites, amethysts); chronograph sub-dials displaying seconds and minutes respectively; skeleton transparent exhibition case back; deployment clasp closure; limited edition of 500 pieces; smoke-treated smoked rubber strap; round case shape measuring 45 mm in diameter; scratch resistant sapphire crystal glass; screw-down crown mechanism; water resistant to 100 meters / 330 feet (depth).
