Movement:automatic Zenith El Primero Caliber 4037 with 39 jewels, 36,000 vph and power reserve of 50 hours is partially skeletonized under heart-shaped cutaway in dial above escapement
Functions:
hours, minutes, subsidiary seconds, chronograph, 24 time-zone indication, AM/PM indicator and power reserve display
Case:Stainless Steel, polished and brushed, 46 mm in diameter and 18 mm in height, with Inner rotating bezel engraved city names and AM/PM indication, sapphire crystal, steel crowns and pushers and exhibition back is water-resistant to 5 atm