Flyback Chronograph.??The flyback chronograph, which measures a succession of elapsed times, eliminates many superfluous repetitive operations.Case Material:??SteelCase Diameter:??45 mmCase Thickness:??15.5 mmWater Resistance:??30 barWidth Between Horns:??23 mmCaliber:??F185Specificities:??Antimagnetic cageStrap:??Steel; Folding clasp