Technology	Cal. 4r35 AutomaticMovement	AutomaticCase Size	40.5mmCase Material	Stainless SteelBand Material	Genuine LeatherFeatures	21,600 Vibrations Per Hour23 JewelsPower Reserve (approximately 41 Hours)See-through Case BackSelf-winding With Hand Winding CapabilityOther Features	BuckleWater-Resistance	50m Also Known As SARY133