Case Material:??SteelCase Diameter:??45 mmCase Thickness:??15.5 mmWater Resistance:??30 barWidth Between Horns:??23 mmCaliber:??F185Specificities:??Antimagnetic cage; One-way rotating bezelStrap Type:??Sail-canvas strapStrap Material:??FabricStrap Clasp:??Pin buckleFlyback Chronograph: The flyback chronograph measures a succession of elapsed times.